NEET TEST SERIES 98 BIOLOGY
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1. Pacemaker is placed on/in
a) Interauricular septum
b) Interventricular septum
c) Wall of left atrium
d) Wall of right atrium
Deselect Answer
a)
b)
c)
d)
None
2. Which of the following decreases in size with increasing age?
a) Pituitary
b) Thymus
c) Adrenal
d) Thyroid
Deselect Answer
a)
b)
c)
d)
None
3. Thyroid is derived from which of the following?
a) Endoderm
b) Mesoderm
c) Ectoderm
d) All of these
Deselect Answer
a)
b)
c)
d)
None
4. Intake of ORS causes secretion of
a) Oxytocin
b) Melatonin
c) Epinephrine
d) Vasopressin
Deselect Answer
a)
b)
c)
d)
None
5. Match the following:
1. Testis – i) Two pairs
2. Thymus – ii) one pair
3. Adrenal – iii) unpaired
4. Parathyroid
5. Thyroid
Options:
a) i – 4, ii- 3, ii- 2, iii- 1, iii- 5
b) i – 5, i- 1, ii- 4, iii- 2, iii- 3
c) i – 4, ii – 1, ii- 3, iii- 2, iii-5
d) i – 4, i – 1, ii- 5, iii- 2, iii-3
Deselect Answer
a)
b)
c)
d)
None
6. Assertion(A): Hormones are similar to enzymes in their action and chemical nature.
Reason ( R): Hormones and enzymes cannot speed accelerate a specific reactions.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) Both A and R are false
d) A is true but R is false
Deselect Answer
a)
b)
c)
d)
None
7. In frog, columnae carneae is present on
a) Inner surface of ventricle
b) Outer surface of ventricle
c) Inner surface of auricle
d) Outer surface of auricle
Deselect Answer
a)
b)
c)
d)
None
8. Select the incorrect pair
a) Lymph vessel – simple squamous epithelium
b) Choroid and iris of eye – simple columnar epithelium
c) Salivary and pancreatic ducts – simple cuboidal epithelium
d) Ventricles of brain – simple ciliated epithelium
Deselect Answer
a)
b)
c)
d)
None
9. In a food chain, maximum energy is stored in
a) Primary consumer
b) Secondary consumer
c) Producer
d) Decomposer
Deselect Answer
a)
b)
c)
d)
None
10. Movement of individuals from one place to another, which add new alleles to local gene pool
a) Gene recombination
b) Hybridisation
c) Gene flow
d) Genetic drift
Deselect Answer
a)
b)
c)
d)
None
11. Nematocysts take part in
a) Anchorage
b) Offence and defense
c) Food capture
d) All of these
Deselect Answer
a)
b)
c)
d)
None
12. All chordates at one or another stage, possess
a) Two pairs of pentadactyl limbs
b) Movable jaw
c) Vertebral column
d) Pharyngeal gill slits
Deselect Answer
a)
b)
c)
d)
None
13. The given pie chart represents the diversity exhibited by different taxonomic groups of invertebrates. Identify A and B.
a) A – annelids B – molluscs
b) A – crustaceans B – echinoderms
c) A – crustaceans B – molluscs
d) A – echinoderms B – annelids
Deselect Answer
a)
b)
c)
d)
None
14. The main function of mammalian corpus luteum is to produce:
a) Estrogen only
b) Progesterone
c) Human chorionic gonadotropin
d) Relaxin only
Deselect Answer
a)
b)
c)
d)
None
15. In human adult females, oxytocin:
a) Causes strong uterine contractions during parturition.
b) Is secreted by anterior pituitary.
c) Stimulates growth of mammary glands.
d) Relaxes the cervix during parturition
Deselect Answer
a)
b)
c)
d)
None
16. Which of the following cells during gametogenesis is normally diploid?
a) Spermatid
b) Spermatogonia
c) Second polar body
d) Secondary oocyte
Deselect Answer
a)
b)
c)
d)
None
17. Sex chromosomes of birds are
(a) ZW-ZZ
(b) ZZ-WW
(c) XX-XY
(d) XO-XX
Deselect Answer
a)
b)
c)
d)
None
18. Select the wrongly matched pair
a) Lactobacillus – Curd formation
b) A. Fleming – Antibiotic
c) Cyclosporin A – Bioactive molecule
d) Brewer’s yeast – Saccharomyces boulardii
Deselect Answer
a)
b)
c)
d)
None
19. Bottled fruit juice available in the market are clear as they are clarified using
a) Lipase and pectinase
b) Streptokinase and proteases
c) Proteases and pectinase
d) Pectinase and amylase
Deselect Answer
a)
b)
c)
d)
None
20. Select the mismatched pair
a) Swiss cheese – Propionibacterium
b) Symbiotic nitrogen fixing – Azospirillum
c) Activated sludge – Secondary sewage treatment
d) Cyclosporin A – Trichoderma polysporum
Deselect Answer
a)
b)
c)
d)
None
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