In humans, at the end of the first meiotic division, the male germs cells differentiate into the:
1. primary spermatocytes
2. secondary spermatocytes
3. spermatids
4. spermatogonia
In humans, at the end of the first meiotic division, the male germs cells differentiate into the:
1. primary spermatocytes
2. secondary spermatocytes
3. spermatids
4. spermatogonia
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
69%
Level 2: 60%+
AIPMT - 2008
Hints
In the DNA molecule:
| 1. | The total amount of purine nucleotides and pyrimidine nucleotides is not always equal |
| 2. | There are two strands, which run parallel in the 5' → 3’ direction |
| 3. | The proportion of adenine in relation to thymine varies with the organism |
| 4. | There are two strands, which run antiparallel - one in 5' → 3’ direction and the other in 3’→ 5’ |
Subtopic: DNA Double Helix |
91%
Level 1: 80%+
AIPMT - 2008
Hints
Consider the following four measures (A.D) that could be taken to successfully grow chickpeas in an area where bacterial blight disease is common:
| (A) | spray with Bordeaux mixture |
| (B) | control of the insect vector of the disease pathogen |
| (C) | use of only disease-free seeds |
| (D) | use of varieties resistant to the disease |
Which two of the above measures can control the disease?
1. B and C
2. A and B
3. C and D
4. A and D
53%
Level 3: 35%-60%
AIPMT - 2008
Hints
The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of:
1. lignified thick walls
2. cohesion and adhesion
3. weak gravitational pull
4. transpiration pull
Subtopic: Transpiration & Guttation | Transpiration Pull: Illustration |
69%
Level 2: 60%+
AIPMT - 2008
Hints
The blood calcium level is lowered by the deficiency of:
1. parathormone
2. thyroxine
3. calcitonin
4. Both 1 and 3
Subtopic: Parathyroid |
58%
Level 3: 35%-60%
AIPMT - 2008
Hints
About 70% of total global carbon is found in:
| 1. | grasslands | 2. | agro-ecosystems |
| 3. | oceans | 4. | forests |
81%
Level 1: 80%+
AIPMT - 2008
Hints
Which one of the following is heterosporous?
1. Dryopteris
2. Salvinia
3. Adiantum
4. Equisetum
Subtopic: Pteridophytes: Heterospory | Pteridophytes |
92%
Level 1: 80%+
AIPMT - 2008
Hints
Links
Dry indehiscent single-seeded fruit formed from the bi-carpellary syncarpous inferior ovary is:
1. caryopsis
2. cypsela
3. berry
4. cremocarp
1. caryopsis
2. cypsela
3. berry
4. cremocarp
Subtopic: Parts of Flower: III | Fruits & their Types | Flower & Parts of Flower |
Level 3: 35%-60%
AIPMT - 2008
Hints
Which extra embryonic membrane in humans prevents desiccation of the embryo inside the uterus?
1. Chorion
2. Allantois
3. Yolk sac
4. Amnion
Subtopic: Implantation : Part 2 | Embryonic Development till Gastrulation | Implantation |
54%
Level 3: 35%-60%
AIPMT - 2008
Hints
The fleshy receptacle of the syconus of fig encloses several:
1. achenes
2. samaras
3. berries
4. mericarps
Subtopic: Fruits & their Types |
59%
Level 3: 35%-60%
AIPMT - 2008
Hints
© 2026 GoodEd Technologies Pvt. Ltd.