A competitive inhibitor of succinic dehydrogenase is:
1.
malonate
2.
oxaloacetate
3.
α-ketoglutarate
4.
malate
Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |
90%
Level 1: 80%+
AIPMT - 2008
Hints
Links
Cry-IAc endotoxins obtained from Bacillus thuringiensis are effective against:
| 1. | mosquitoes | 2. | flies |
| 3. | nematodes | 4. | bollworms |
Subtopic: Bt Crops |
91%
Level 1: 80%+
AIPMT - 2008
Hints
Vacuole in a plant cell:
| 1. | is membrane-bound and contains storage proteins and lipids |
| 2. | is membrane-bound and contains water and excretory substances |
| 3. | lacks membrane and contains air |
| 4. | lacks membrane and contains water and excretory substances |
Subtopic: Vacuole |
86%
Level 1: 80%+
AIPMT - 2008
Hints
Which one of the following is not observed in biodiversity hot spots?
1. Endemism
2. Accelerated species loss
3. Lesser interspecific competition
4. Species richness
Subtopic: In Situ Conservation of Biodiversity |
59%
Level 3: 35%-60%
AIPMT - 2008
Hints
Consider the statements given below regarding contraception and answer as directed thereafter:
| (A) | Medical Termination of Pregnancy(MTP) during the first trimester is generally safe. |
| (B) | Generally, chances of conception are nil until the mother breastfeeds the infant for up to two years. |
| (C) | Intrauterine devices like copper-T are effective contraceptives. |
| (D) | Contraception pills may be taken up to one week after coitus to prevent conception. |
Which two of the above statements are correct?
1. B, C
2. C, D
3. A, C
4. A, B
Subtopic: Hormonal Contraceptives, Emergency Contraception & Terminal Methods | Medical Termination of Pregnancy |
89%
Level 1: 80%+
AIPMT - 2008
Hints
Which one of the following proud elective for biological control of nematodal diseases in plants?
1. Pisolithus tinctorius
2. Pseudomonas cepacin
3. Gliocladium virens
4. Paecilomyces lilacinus
Subtopic: Microbes in Biocontrol Agent |
Level 4: Below 35%
AIPMT - 2008
Hints
Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage?
| 1. | Klinefelter's syndrome-44 autosomes + XXY |
| 2. | Colourblindness – Y-linked |
| 3. | Erythroblastosis foetalis-- X-linked |
| 4. | Down syndrome--44 autosomes + XO |
Subtopic: Sex Aneuploidy - Turner & Klinefelter Syndrome |
86%
Level 1: 80%+
AIPMT - 2008
Hints
Which one of the following items gives its correct total number?
1. Floating ribs in humans - 4
2. Amino acids found in proteins - 16
3. Types of diabetes - 3
4. Cervical vertebrae in humans - 8
Subtopic: Sternum & Ribs |
74%
Level 2: 60%+
AIPMT - 2008
Hints
In germinating seeds fatty acids are degraded exclusively in the:
1. proplastids
2. glyoxisomes
3. peroxisomes
4. mitochondria
Subtopic: Microbodies |
66%
Level 2: 60%+
AIPMT - 2008
Hints
What does the filiform apparatus do at the entrance into the ovule?
| 1. | it helps in the entry of pollen tube into the synergid |
| 2. | it prevents the entry of more than one pollen tube into the embryo sac |
| 3. | it brings about the opening of the pollen tube |
| 4. | it guides the pollen tube from the synergid to the egg |
Subtopic: Pistil: Female Gametophyte |
55%
Level 3: 35%-60%
AIPMT - 2008
Hints
© 2026 GoodEd Technologies Pvt. Ltd.