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Condoms are one of the most popular contraceptives because of the following reasons.

General Science Biology Health Education Zoology Class 12th NEET UG NEET UG Preparation

Q. 9 of Quiz-1426 (Que-ID : 2877)

Condoms are one of the most popular contraceptives because of the following reasons.

  • These are effective barriers for insemination
  • They do not interfere with coital act
  • These help in reducing the risk of STDs
  • All of the above

Ans → (d)All of the above

Explanation → All of the above

This question is taken from this post → Reproductive Health (Class 12th Biology Revision Test) | MCQs for NEET - attemp/practice


More MCQs in - Reproductive Health (Class 12th Biology Revision Test) | MCQs for NEET

Q. 1 of Quiz-1426 (Que-ID : 2869)

IUDs prevent pregnancy by

  • inhibiting physiological and morphological uterine changes required for implantation
  • increasing phagocytosis of spermatozoa within uterus
  • suppressing motility of sperms as well as their fertilising capacity
  • all of these

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Q. 2 of Quiz-1426 (Que-ID : 2870)

Cu ions released from copper releasing intrauterine devices (IUDs)

  • prevent ovulation
  • make uterus unsuitable for implantation
  • decrease phagocytosis of sperms
  • suppress sperm motility

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Q. 3 of Quiz-1426 (Que-ID : 2871)

Confirmatory test for STDs is

  • ELISA
  • PCR
  • DNA hybridisation
  • all of these

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Q. 4 of Quiz-1426 (Que-ID : 2872)

Hepatitis B is transmitted through

  • blood transfusion
  • intimate physical contact
  • sexual contact
  • all of these

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Q. 5 of Quiz-1426 (Que-ID : 2873)

Which of the following STDs are not completely curable ?

  • Chlamydiasis, gonorrhoea, trichomoniasis
  • Chancroid syphilis, genital warts
  • AIDS, syphilis, hepatitis B
  • AIDS, genital herpes, hepatitis B

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Q. 6 of Quiz-1426 (Que-ID : 2874)

World AIDS day is

  • Dec 21
  • Dec 1
  • Nov 1
  • Jun 11

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Q. 7 of Quiz-1426 (Que-ID : 2875)

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube ?

  • Embryo only, upto 8 cell stage
  • Either zygote or early embryo upto 8 cell stage
  • Embro of 32 cell stage
  • Zygote only

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Q. 9 of Quiz-1426 (Que-ID : 2877)

Condoms are one of the most popular contraceptives because of the following reasons.

  • These are effective barriers for insemination
  • They do not interfere with coital act
  • These help in reducing the risk of STDs
  • All of the above

Discuss View Answer

Q. 10 of Quiz-1426 (Que-ID : 2878)

The correct surgical procedure as a contraceptive method is

  • ovariectomy
  • hysterectomy
  • vasectomy
  • castration

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Q. 11 of Quiz-1426 (Que-ID : 2879)

RCH stands for

  • routine check-up of health
  • reproduction cum hygiene
  • reversible contraceptive hazards
  • reproductive and child health care

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Q. 12 of Quiz-1426 (Que-ID : 2880)

Amminocentesis is a technique used to

  • determine errors in amino acid metabolism in embryo
  • pin point specific cardiac ailments in embryo
  • determine any hereditary genetic abnormality in embryo
  • all of these

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Q. 13 of Quiz-1426 (Que-ID : 2881)

Which of the following cannot be detected in a developing foetus by amniocentesis ?

  • Jaundice
  • Down’s syndrome
  • Cystic fibrosis
  • Colourblindness

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Q. 14 of Quiz-1426 (Que-ID : 2882)

In which of the following weeks of pregnancy CVS is done ?

  • 12th – 14th week
  • 8th – 10th week
  • 5th – 7th week
  • None of these

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Q. 15 of Quiz-1426 (Que-ID : 2883)

Causes for increased population growth in india is/are

  • increase in birth rate
  • decrease in death rate
  • lack of education
  • all of these.

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Q. 16 of Quiz-1426 (Que-ID : 2884)

Which of the following pairs contributes to an increase in population ?

  • Natality and immigration
  • Mortality and emigration
  • Natality and emigration
  • Mortality and immigration

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Q. 17 of Quiz-1426 (Que-ID : 2885)

Which of the following is correct regarding the consequences of lower population ?

  • It increases the poverty of a country
  • It leads to shortage of food supply
  • It results in unemployment
  • All of these

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Q. 18 of Quiz-1426 (Que-ID : 2886)

The best way to decrease population of a country is

  • to educate people
  • to have better houses
  • to kill people on a large scale
  • to practice and implement familay planning

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Q. 19 of Quiz-1426 (Que-ID : 2887)

Which of the following correctly describes the measures hat can be used to control over-population ?

  • Educating people about the advantages of a small family
  • Raising the age of marriage
  • Encouraging family planning programme
  • All of these

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Q. 20 of Quiz-1426 (Que-ID : 2888)

Which of the following is not a characteristic of an ideal contraceptive ?

  • User-friendly
  • Irreversible
  • Easily available
  • Least side-effects

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Q. 21 of Quiz-1426 (Que-ID : 2889)

Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis ?

  • Trichomoniasis is an STD whereas others are not.
  • Gonorrhoea is a viral disease whereas others are bacterial
  • HIV is a pathogen whereas others are diseases
  • Hepatitis B is eradicated completely whereas others are not

Discuss View Answer

Q. 22 of Quiz-1426 (Que-ID : 2890)

Which one of the following groups includes sexually transmitted diseases caused by bacteria only ?

  • Syphilis, gonorrhoea, chancroid
  • Syphilis, chlamydiasis, chancroid
  • Syphilis, gonorrhoea, scabies
  • Syphilis, scabies, pediculosis

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Q. 23 of Quiz-1426 (Que-ID : 2891)

The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females

  • who cannot produce an ovum
  • who cannot retain the foetus inside uterus
  • who cannot provide suitable environment for fertilisation
  • all of these

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Q. 25 of Quiz-1426 (Que-ID : 2893)

Intensely lactating mothers do not generally conceive due to the

  • suppression of gonadotropins
  • hypersecretion of gonadotropins
  • suppression of gametic transport
  • suppression of fertilisation

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More MCQs In - General Science Biology Health Education Zoology Class 12th NEET UG NEET UG Preparation

Q. 24 of Quiz- (Que-ID : 3392)

Dragonflies are used to get rid of

  • mosquitoes
  • aphids
  • butterfly caterpillars
  • both (a) and (b)

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Q. 22 of Quiz- (Que-ID : 3540)

The agents that bring undesirable changes in the environment arc called

  • Pollution
  • Fragments
  • Pollutants
  • None of the above

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Q. 9 of Quiz- (Que-ID : 2952)

If the sequence of initrogen bases of the coding strand of DNA in a transcription unit is: 5’ – ATGAATG – 3’, the sequence of bases in its RNA transcript would be

  • 5’ – AUG A AUG – 3’
  • 5’ – UACUU AC – 3’
  • 5’ – CAUUCAU – 3’
  • 5’ – GUAAGUA – 3’.

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Q. 13 of Quiz- (Que-ID : 2806)

Which of the following nerves is the largest of all the cranial nerves?

  • Abducens nerve
  • Oculomotor nerve
  • Olfactory nerve
  • Trigeminal nerve

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Q. 1 of Quiz- (Que-ID : 3369)

Integrated Pest Management (IPM) discourages the excessive used of

  • biological methods
  • chemical pesticides
  • mechanical methods
  • all of these

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Q. 23 of Quiz- (Que-ID : 3391)

Biogas is produced by

  • aerobic breakdown of biomass
  • anaerobic breakdown of biomass
  • with the help of methanogenic bacteria
  • both (b) and (c)

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Q. 20 of Quiz- (Que-ID : 3288)

Pinus differs from mango in having

  • Tree habit
  • Green leaves
  • Ovules not enclosed in ovary
  • Wood

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Q. 19 of Quiz- (Que-ID : 2862)

Feathery stigma occurs in

  • pea
  • wheat
  • Datura
  • Caesalpinia

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Q. 18 of Quiz- (Que-ID : 2661)

How many percent of co2 is carried as bicarbonate

  • 50
  • 97
  • 70
  • 25

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Q. 7 of Quiz- (Que-ID : 2850)

During microsporogenesis, meiosis occurs in

  • endothecium
  • microspore mother cells
  • microspore tetrads
  • pollen grains

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Q. 5 of Quiz- (Que-ID : 2898)

If mammalian ovum fails to get fertilised, which one of the following is unlikely ?

  • Corpus luteum will distintegrate.
  • Progesterone secretion rapidly declines.
  • Estrogen secretion increases.
  • Primary follicle starts developing

Discuss View Answer

Q. 24 of Quiz- (Que-ID : 3542)

The petrol used in engines filled with catalytic converter should be

  • Simple petrol
  • Any type of petrol
  • Unleaded petrol
  • None of the above

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Q. 7 of Quiz- (Que-ID : 2775)

Binomial nomenclature was given by

  • Ernst Mayr
  • alexander aggisz
  • carolus Linnaeus
  • None of the above

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Q. 2 of Quiz- (Que-ID : 3928)

An example of competitive inhibition of an enzyme is the inhibition of

  • succinic dehydrogenase by malonic acid
  • cytochrome oxidase by cyanide
  • hexokinase by glucose-6-phosphate
  • carbonic anhydrase by carbon dioxide

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Q. 25 of Quiz- (Que-ID : 3218)

Vessels and companion cells are respectively present in the xylem and phloem of

  • Gymnosperm
  • Pteridophytes
  • Angiosperm
  • Bryophyta

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Q. 18 of Quiz- (Que-ID : 3011)

  • Early prophase
  • Early metaphase
  • Early telophase
  • Early anaphase

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Q. 21 of Quiz- (Que-ID : 2889)

Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis ?

  • Trichomoniasis is an STD whereas others are not.
  • Gonorrhoea is a viral disease whereas others are bacterial
  • HIV is a pathogen whereas others are diseases
  • Hepatitis B is eradicated completely whereas others are not

Discuss View Answer

Q. 5 of Quiz- (Que-ID : 2773)

which of the following shows max diversity

  • Plants
  • Animalia
  • monerans
  • protistans

Discuss View Answer

Q. 25 of Quiz- (Que-ID : 3443)

Bacillus thruingiensis (Bt) strains have been used for designing nobel:

  • Biofertilizers
  • Biometallurgical techniques
  • Biomineralization processes
  • Bioinsecticidal plants

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Q. 5 of Quiz- (Que-ID : 2618)

Which kind of gland is pancreas

  • Exocrine
  • Endocrine
  • Compound gland
  • None of the above

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Q. 8 of Quiz- (Que-ID : 3126)

Diffusion rate is affected by

  • temperature
  • membrane permeability
  • gradient of concentration
  • all of these

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Q. 14 of Quiz- (Que-ID : 2657)

Solubility of CO2 is how many times higher than O2

  • 10-15
  • 30-40
  • 20-21
  • 20-25

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Q. 13 of Quiz- (Que-ID : 3031)

Mechanism of development was explained by

  • Hans Dietrisch
  • Spemann
  • Both a and b
  • Haemmerling

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Q. 5 of Quiz- (Que-ID : 3048)

TCA cycle was discovered by

  • Otto Meyerhof
  • Hans Kreb
  • Gustav Embden
  • All of these

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Q. 7 of Quiz- (Que-ID : 3000)

In mitosis, nuclear envelope and nucleolus disappear during

  • Metaphase
  • Interphase
  • Prophase
  • Telophase

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Q. 4 of Quiz- (Que-ID : 2747)

In the body both blood sodium and potassium is regulated by

  • Pheromones
  • Aldosterone
  • Cortisols
  • Androgens

Discuss View Answer

Q. 14 of Quiz- (Que-ID : 2757)

In children hypothyroidism lead to

  • Goitre
  • Acromegaly
  • Cretinism
  • Myxoedema

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Q. 23 of Quiz- (Que-ID : 3166)

Anti-parallel strands of a DNA molecule mean that

  • One strand turns anticlockwise
  • Phosphate groups at the start of two DNA strands (poles) are in opposite position
  • Phosphate groups of two DNA strands at their ends share the same position
  • One strand turns clockwise

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Q. 7 of Quiz- (Que-ID : 3225)

In Lathyrus, the leaves are modified into

  • thorns
  • cladodes
  • tendrils
  • spines

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Q. 17 of Quiz- (Que-ID : 2835)

Which of the following is a post-fertilisation event in flowering plants?

  • Transfer of pollen grains
  • Embryo development
  • Formation of flower
  • Formation of pollen grains

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Q. 6 of Quiz- (Que-ID : 430)

Which of the river flows toward ARABIAN SEA ?

  • Ganga
  • Kaveri
  • Krishna
  • Tapti

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Q. 16 of Quiz- (Que-ID : 3484)

Kanha National Park is famous for

  • For Birds
  • For Tendua
  • For Tiger
  • For Crocodile

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Q. 2 of Quiz- (Que-ID : 2820)

Which of the following options shows bisexual animals only?

  • Amoeba, sponge, leech
  • Sponge, cockroach, Amoeba
  • Earthworm, sponge, leech
  • Tapeworm, earthworm, honeybee

Discuss View Answer

Q. 13 of Quiz- (Que-ID : 3081)

Where are thylakoids and grana located?

  • Lysosomes
  • Mitochondria
  • Chloroplasts
  • Golgi apparatus

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Q. 15 of Quiz- (Que-ID : 3333)

Passive immunity can be conferred directly by

  • vaccines
  • antitoxins
  • colostrum
  • both (b) & (c)

Discuss View Answer

Q. 7 of Quiz- (Que-ID : 2620)

Which enzyme is responsible for digestion of milk protein in infants

  • Renin
  • Rennin
  • Proteoses
  • None of the above

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Q. 4 of Quiz- (Que-ID : 2872)

Hepatitis B is transmitted through

  • blood transfusion
  • intimate physical contact
  • sexual contact
  • all of these

Discuss View Answer

Q. 7 of Quiz- (Que-ID : 3250)

Which of the following statement is correct?

  • Platypus lays eggs
  • Camels have biconcave RBCs
  • Whales respire by gills
  • Bats do not fly

Discuss View Answer

Q. 21 of Quiz- (Que-ID : 3289)

In chlorophyta the mode of sexual reproduction is

  • Isogamy
  • Anisogamy
  • Oogamy
  • Isogamy, Anisogamy and oogamy

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Q. 18 of Quiz- (Que-ID : 3436)

Bt toxin is :

  • intracellular lipid
  • Intracellular crystalline protein
  • Extracellular crystalline protein
  • Lipid

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Q. 10 of Quiz- (Que-ID : 3078)

In actively gro – wing young plants, the best data for estimating the rate of photosynthesis would be

  • ratio of oxygen evolved to carbon dioxide absorbed
  • increase in fresh weight
  • increase in dry weight
  • increase in carbohydrate

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Q. 14 of Quiz- (Que-ID : 3357)

Artificial breeding of cattle is brough about by

  • artiticial insemination
  • super ovulation and embryo transplantation
  • MOET
  • all of these

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Q. 1 of Quiz- (Que-ID : 3019)

Mechanism of development was explained by

  • Hans Dietrisch
  • Spemann
  • Both a and b
  • Haemmerling

Discuss View Answer

Q. 9 of Quiz- (Que-ID : 2927)

Number of autosomes present in liver cells of a human female is

  • 22 autosomes
  • 22 pairs
  • 23 autosomes
  • 23 pairs

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Q. 17 of Quiz- (Que-ID : 3485)

During food chain the maximum energy is stored in

  • Producers
  • Decomposers
  • Herbivoures
  • Camivourse

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