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Which of the following options shows bisexual animals only?
General Science Biology Zoology Class 12th NEET UG NEET UG Preparation
Q. 2 of Quiz-1423 (Que-ID : 2820)
Which of the following options shows bisexual animals only?
- Amoeba, sponge, leech
- Sponge, cockroach, Amoeba
- Earthworm, sponge, leech
- Tapeworm, earthworm, honeybee
Ans → (C)
Explanation → Amoeba,cockroach, honeybee,Tapeworm aren’t bisexual.
This question is taken from this post → Reproduction in organisms- (Class 12th Biology) Revision Test | MCQs For NEET - attemp/practice
More MCQs in - Reproduction in organisms- (Class 12th Biology) Revision Test | MCQs For NEET
Q. 1 of Quiz-1423 (Que-ID : 2819)
Which of the following groups is formed only of the hermaphrodite organisms?
- Earthworm, tapeworm, housefly, frog
- Earthworm, tapeworm, seahorse housefly
- Earthworm, leech, sponge, roundworm
- Earthworm, tapeworm, leech, sponge
Q. 2 of Quiz-1423 (Que-ID : 2820)
Which of the following options shows bisexual animals only?
- Amoeba, sponge, leech
- Sponge, cockroach, Amoeba
- Earthworm, sponge, leech
- Tapeworm, earthworm, honeybee
Q. 3 of Quiz-1423 (Que-ID : 2821)
Read the following statements and select the incorrect one.
- Cucurbits and coconuts are monoecious plants
- Papayas and date palms are dioecious plants.
- Leeches and tapeworms are bisexual animals.
- Sponges and coelenterates are unisexual animals
Q. 4 of Quiz-1423 (Que-ID : 2822)
Meiosis does not occur in
- asexually reproducing diploid individuals
- sexually reproducing haploid individuals
- sexually reproducing diploid individuals
- all of these.
Q. 5 of Quiz-1423 (Que-ID : 2823)
A diploid parent plant body produces ________ gametes and a haploid parent plant body produces ________gametes.
- diploid, haploid
- haploid, diploid
- diploid, diploid
- haploid, haploid
Q. 6 of Quiz-1423 (Que-ID : 2824)
Which of the following organisms has the highest number of chromosomes?
- Housefly
- Butterfly
- Ophioglossum
- Onion
Q. 7 of Quiz-1423 (Que-ID : 2825)
In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?
- 40
- 30
- 20
- 10
Q. 8 of Quiz-1423 (Que-ID : 2826)
If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?
- 190
- 380
- 95
- 760
Q. 9 of Quiz-1423 (Que-ID : 2827)
In flowering plants, both male and female gametes are non-motile. The method to bring them together for fertilisation is
- water
- air
- pollination
- apomixis
Q. 10 of Quiz-1423 (Que-ID : 2828)
In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?
- brinjal
- cucumber
- papaya
- Bitter gourd
Q. 11 of Quiz-1423 (Que-ID : 2829)
The wall of the ovary forms
- pericarp
- fruit wall
- fruit
- both (a) and (b).
Q. 12 of Quiz-1423 (Que-ID : 2830)
The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because
- offspring do not possess exact copies of parental DNA
- DNA of only one parent is copied and passed on to the offspring
- offspring are formed at different times
- DNA of parent and offspring are completely different
Q. 13 of Quiz-1423 (Que-ID : 2831)
The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively
- 12, 24, 12
- 24, 12, 12
- 12, 24, 24
- 24, 12, 24
Q. 14 of Quiz-1423 (Que-ID : 2832)
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
- nodes are shorter than intemodes
- nodes have meristematic cells
- nodes are located near the soil
- nodes have non-photosynthetic cells.
Q. 15 of Quiz-1423 (Que-ID : 2833)
There is no natural death in single celled organisms like Amoeba and bacteria because
- they cannot reproduce sexually
- they reproduce be binary fission
- parental body is distributed among the offspring
- they are microscopic.
Q. 16 of Quiz-1423 (Que-ID : 2834)
There are various types of reproduction. The type of reproduction adopted by an organism depends on
- the habitat and morphology of the organism
- morphology of the organism
- morphology and physiology of the organism
- the organisms habitat, physiology and genetic makeup.
Q. 17 of Quiz-1423 (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
Q. 18 of Quiz-1423 (Que-ID : 2836)
The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be
- 20
- 10
- 40
- 15
Q. 19 of Quiz-1423 (Que-ID : 2837)
The growth phase of an organism before attaining sexual maturity is referred to as
- juvenile phase
- vegetative phase
- both (a) and (b)
- None of the above
Q. 20 of Quiz-1423 (Que-ID : 2838)
Select the monocarpic plant out of the following.
- Bamboo
- Litchi
- Mango
- all of these.
Q. 21 of Quiz-1423 (Que-ID : 2839)
Clear cut vegetative, reproductive and senescent phases cannot be observed in
- annual plants
- perennial plants
- biennial plants
- ephemeral plants.
Q. 22 of Quiz-1423 (Que-ID : 2840)
Strobilanthus kunthiana flowers once in
- 5 years
- 12 years
- 20 years
- 50 years
Q. 23 of Quiz-1423 (Que-ID : 2841)
Strobilanthus kunthiana differs from bamboo in
- being monocarpic
- length of juvenile phase
- being polycarpic
- none of these.
Q. 24 of Quiz-1423 (Que-ID : 2842)
Oestrous cycle is reported in
- cows and sheep
- humans and monkeys
- chimpanzees and gorillas
- none of these.
Q. 25 of Quiz-1423 (Que-ID : 2843)
Which of the following animals show menstrual cycle?
- Gorillas and chimpanzees
- Monkeys and humans
- Orangutans and monkeys
- All of these
More MCQs In - General Science Biology Zoology Class 12th NEET UG NEET UG Preparation
Q. 16 of Quiz- (Que-ID : 3259)
Which one of the following is NOT a characteristic of phylum Annelida?
- Ventral nerve cord
- Closed circulatory system
- Segmentation
- Pseudocoelom
Q. 10 of Quiz- (Que-ID : 3328)
A toxic substance, responsible for the chills and high fever recurring every three to four days in malarial fever, is
- interferon
- haemozoin
- hirudin
- colostrum
Q. 9 of Quiz- (Que-ID : 2702)
Name a disorder which occurs due to rapid spasm in muscles due to low ca2+ in body fluid
- Tetany
- Arthritis
- Myasthenia gravis
- Gout
Q. 3 of Quiz- (Que-ID : 2971)
Which among the following is not uricootelic
- Mammal
- Reptiles
- Birds
- Snails
Q. 21 of Quiz- (Que-ID : 2664)
which among the following is caused due to decreased respiratory surface area
- Astma
- Emphysema
- Sclerosis
- None of the above
Q. 14 of Quiz- (Que-ID : 3257)
Male mosquitoes usually feed on
- Garbage
- Human blood
- Flower sap
- All of the above
Q. 23 of Quiz- (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
Q. 5 of Quiz- (Que-ID : 2773)
which of the following shows max diversity
- Plants
- Animalia
- monerans
- protistans
Q. 7 of Quiz- (Que-ID : 2725)
In which form fungi store food material
- Lipid
- Starch
- Oil and glycogen
- Protein
Q. 4 of Quiz- (Que-ID : 2872)
Hepatitis B is transmitted through
- blood transfusion
- intimate physical contact
- sexual contact
- all of these
Q. 18 of Quiz- (Que-ID : 2911)
In humans, at the end of the first meiotic division, the male germ cells differentiate into the
- spermatids
- spermatogonia
- primary spermatocytes
- secondary spermatocytes
Q. 11 of Quiz- (Que-ID : 2804)
Which one of the following is the correct statement regarding the particular psychotropic drug specified?
- Barbiturates cause relaxation and temporary euphoria
- Hashish causes after thought perceptions and hallucinations
- Opium stimulates nervous system and causes hallucinations
- Morphine leads to delusions and disturbed emotions
Q. 23 of Quiz- (Que-ID : 2841)
Strobilanthus kunthiana differs from bamboo in
- being monocarpic
- length of juvenile phase
- being polycarpic
- none of these.
Q. 4 of Quiz- (Que-ID : 3372)
Organic farming includes
- use of fertilisers and pesticides of biological origin
- IPM (Integrated Pest Management)
- locally developed pest resistant varieties
- all of these
Q. 8 of Quiz- (Que-ID : 3476)
Small extremite animals of tropical region
- Allen’s law
- Bergmen’s law
- Dollo’s law
- Cope’s law
Q. 19 of Quiz- (Que-ID : 3337)
Vaccine against polio viruses is an example of
- auto-immunisation
- passive immunisation
- active immunisation
- simple immunisation
Q. 16 of Quiz- (Que-ID : 2985)
Which gland remove substances like sterols, hydrocarbons and waxes
- Pineal gland
- Pancreas
- Gall bladder
- Sweat glands
Q. 5 of Quiz- (Que-ID : 3148)
Which of the following statements regarding enzyme inhibition is correct?
- Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein
- Non-competitive inhibitors often bind to the enzyme irreversibly
- Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme
- Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate
Q. 23 of Quiz- (Que-ID : 3416)
Two microbes found to be very useful in genetic, engineering are
- Escherichiya Coli and Agrobacterium tumefaciens
- Virbio chloerae and tailed bacteriophage
- Diplococcus sp and pseudomonas sp
- None of these
Q. 10 of Quiz- (Que-ID : 2878)
The correct surgical procedure as a contraceptive method is
- ovariectomy
- hysterectomy
- vasectomy
- castration
Q. 24 of Quiz- (Que-ID : 2892)
Which method can be used for women that cannot produce ovum but can provide suitable environment ?
- IUD
- GIFT
- IUI
- IUI
Q. 8 of Quiz- (Que-ID : 3001)
Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences
- II, I, IV, III
- III, II, I, IV
- IV, III, II, I
- I, IV, III, II
Q. 11 of Quiz- (Que-ID : 3229)
In banana, the stem is
- underground only
- both underground and aerial
- absent
- aerial only
Q. 19 of Quiz- (Que-ID : 3362)
The term ‘apiculture’ refers to
- tissue culture
- pisciculture
- bee-keeping
- animal-keeping
Q. 1 of Quiz- (Que-ID : 2719)
In five kingdom classification chlamydomonas and chlorella falls under
- Algae
- Plantae
- Monera
- Protista
Q. 4 of Quiz- (Que-ID : 3322)
Typhoid fever in human beings is caused by
- Plasmodium vivax
- Trichophyton
- Salmonella typhi
- Rhinoviruses
Q. 8 of Quiz- (Que-ID : 3226)
Potato tuber is an underground stem because
- Tinospora
- Jussiaea
- Viscum
- Vanda
Q. 12 of Quiz- (Que-ID : 2980)
Bowman capsule with glomerulus is known as
- Malphigian body
- Renal corpuscle
- Malphigian capsule
- Both b and c
Q. 1 of Quiz- (Que-ID : 3019)
Mechanism of development was explained by
- Hans Dietrisch
- Spemann
- Both a and b
- Haemmerling
Q. 4 of Quiz- (Que-ID : 3247)
The clam nervous system is composed of
- labial palps
- one pair of ganglia
- two pairs of ganglia
- three pairs of ganglia
Q. 14 of Quiz- (Que-ID : 3382)
During the primary treatment of sewage, solid particles that settle down are called
- floes
- primary sludge
- activated sludge
- anaerobic sludge
Q. 2 of Quiz- (Que-ID : 3020)
Intercalary meristems are of
- Permanent nature
- Temporary nature
- Some are permanent some temporary
- None of these
Q. 11 of Quiz- (Que-ID : 3029)
Growth in dorsiventral leaf is measured in terms of
- length of leaf
- increase in cell number
- surface area increase
- none of these
Q. 11 of Quiz- (Que-ID : 2654)
Volume air inspired or expired during normal respiration is known as
- TV
- IRV
- ERV
- RV
Q. 9 of Quiz- (Que-ID : 3402)
Which of the given statement is correct in the context of observing DNA separated by agarose gel electrophoresis?
- DNA can be seen in visible light
- DNA can be seen without staining in visible light
- Ethidium bromide stained DNA can be seen in visible light
- Ethidium bromide stained DNA can be seen under exposure to UV light
Q. 6 of Quiz- (Que-ID : 3424)
Transgenic Golden Rice has Highly Nutrient value for:
- Lysine
- Methionine
- Glutanin
- Vitamin-A
Q. 20 of Quiz- (Que-ID : 3088)
Water stress causes
- opening of stomata
- increase in metabolic rate
- wilting of leaves
- lesser availability of carbon dioxide
Q. 16 of Quiz- (Que-ID : 3159)
The fastest enzyme known is
- DNA polymerase
- carbonic anhydrase
- carbonic dehydrogenase
- DNA ligase
Q. 17 of Quiz- (Que-ID : 3385)
BOD is………..in polluted water and in potable water.
- more, less
- less, more
- less in both
- medium in both
Q. 12 of Quiz- (Que-ID : 3180)
Which one of the following is a scent gland of mammals?
- Bartholin
- Anal
- Prostate
- Adrenal
Q. 10 of Quiz- (Que-ID : 2653)
What is the inspiratory reserve volume
- 2500-3000 ml
- 500 ml
- 1000-1100 ml
- None of the above
Q. 11 of Quiz- (Que-ID : 3254)
Which of the following is a pseudocoelomate?
- Platyhelminthes
- Aschelminthes
- Mollusca
- Hemi-chordates
Q. 5 of Quiz- (Que-ID : 2923)
What is the probability of production of dwarf offsprings in a cross betweeen two heterozygous tall pea plants ?
- Zero
- 50%
- 25%
- 100%
Q. 11 of Quiz- (Que-ID : 3079)
Discovery of Emerson effect has already shown the
- two distinct photochemical reactions
- light and dark reactions of photosynthesis
- photophosphorylation
- photorespiration
Q. 15 of Quiz- (Que-ID : 3008)
Which of the following cellular structures always disappears during mitosis and meiosis?
- Plasma membrane
- Nucleolus and nuclear envelope
- Plastids
- none of these
Q. 10 of Quiz- (Que-ID : 2878)
The correct surgical procedure as a contraceptive method is
- ovariectomy
- hysterectomy
- vasectomy
- castration
Q. 25 of Quiz- (Que-ID : 2918)
At what stage of life is oogenesis initiated in a human female ?
- At puberty
- During menarch
- During menopause
- During embryonic development
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