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zoology MCQs with Explanations - Chapter-wise Practice Questions
Q. 4 of Quiz- (Que-ID : 2897)
Which one of the following events is correctly matched with the time period in a normal menstrual cycle ?
- Release of egg : 5 th day
- Endometrium regenerates : 5 – 10 days
- Endometrium secretes nutrients for implantation: 11 – 18 days
- Rise in progesterone level : 1 – 15 days
Q. 5 of Quiz- (Que-ID : 3423)
Transgenic Bacteria is used in the making of following :
- Epinephrin
- Human Insullin
- Glutanin
- Thyroxin
Q. 13 of Quiz- (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. 18 of Quiz- (Que-ID : 3336)
The term ‘antitoxin’ refers to a preparation containing
- B-lymphoctyes and T-lymphocytes
- antibodies to the toxin
- weakend pathogen
- inactivated T-lymphocytes.
Q. 16 of Quiz- (Que-ID : 3484)
Kanha National Park is famous for
- For Birds
- For Tendua
- For Tiger
- For Crocodile
Q. 8 of Quiz- (Que-ID : 2951)
In some viruses, DNA is synthesised by using RNA as template. Such a DNA is called
- A – DNA
- B – DNA
- cDNA
- rDNA
Q. 11 of Quiz- (Que-ID : 3454)
Both the species benefit in
- Parasitism
- Mutualism
- Competition
- Predation
Q. 7 of Quiz- (Que-ID : 3425)
Bt Toxin is :
- Intracellular lipid
- Intracellular crystal protein
- Extracellular Crystal protein
- Lipid
Q. 5 of Quiz- (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. 9 of Quiz- (Que-ID : 3177)
Fats are richly found in
- alveolar tissue
- lymph glands
- adipose tissue
- liver cells
Q. 12 of Quiz- (Que-ID : 2755)
PTH is called hypercalcemic hormone because it leads to
- Absorption of CaCo3 from digested food
- Reabsorption of water from renal tubules
- Increasing blood calcium levels
- Maintain ion balance in blood
Q. 15 of Quiz- (Que-ID : 2908)
In human adult females oxytocin
- stimulates pituitary to secrete vasopressin
- causes strong uterine contractions during parturition
- is secreted by anterior pituitary
- stimulates growth of mammary glands
Q. 12 of Quiz- (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. 19 of Quiz- (Que-ID : 2662)
Every 100ml of deoxy blood delivers approx
- 2ml of co2 to alveoli
- 3 of co2 to alveoli
- 4ml of co2 to alveoli
- 7ml of co2 to alveoli
Q. 24 of Quiz- (Que-ID : 3392)
Dragonflies are used to get rid of
- mosquitoes
- aphids
- butterfly caterpillars
- both (a) and (b)
Q. 7 of Quiz- (Que-ID : 3375)
Biofertilisers are the living organisms which
- bring about soil nutrient enrichment
- maximise the ecological benefits
- minimise the environmental hazards
- all of these
Q. 6 of Quiz- (Que-ID : 2949)
Control of gene expression takes place at the level of
- DNA-replication
- transcription
- translation
- none of the above
Q. 11 of Quiz- (Que-ID : 2829)
The wall of the ovary forms
- pericarp
- fruit wall
- fruit
- both (a) and (b).
Q. 6 of Quiz- (Que-ID : 430)
Which of the river flows toward ARABIAN SEA ?
- Ganga
- Kaveri
- Krishna
- Tapti
Q. 8 of Quiz- (Que-ID : 3934)
Assertion: Arachidic acid is an unsaturated fatty acid Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids
- Both Assertion and Reason are true and Reason is the correct explanation of the Assertion
- Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion
- Assertion is true, but Reason is false.
- Both Assertion and Reason are false
Q. 7 of Quiz- (Que-ID : 3475)
Xerophyte Contains
- Deep roots
- Sunken stomata
- Thick cuticle
- All of these
Q. 3 of Quiz- (Que-ID : 2616)
Where is paratoid salivary gland is situated
- Lower jaw
- Below tongue
- Upper jaw
- Cheek
Q. 26 of Quiz- (Que-ID : 955)
Which of the following countries occupies an important place in the world for the production of coffee?
- Malaysia
- Thailand
- Vietnam
- Brazil
Q. 24 of Quiz- (Que-ID : 3192)
In mammals maximum energy is lost by the
- Respiration
- Urine
- Skin
- Stool
Q. 10 of Quiz- (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. 19 of Quiz- (Que-ID : 2762)
The phase of menstrual cycle that last for 7-8 days are
- Ovulatory
- Menstruation
- Luteal
- Follicular
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