Mitochondria and chloroplast are:
I: semi-autonomous organelles. 
II: formed by the division of pre-existing organelles and they contain DNA but lack protein-synthesizing machinery. 

Which one of the following options is correct?
1. II is true but I is false
2. I is true but II is false
3. Both I and II are false
4. Both I and II are correct

Subtopic:  Plastids | Mitochondria |
 62%
NEET - 2016
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Photosensitive compound in the human eye is made up of:

1. Opsin and Retinal 2. Opsin and Retinol
3. Transducin and Retinene 4. Guanosine and Retinol
Subtopic:  Human Eye (OLD NCERT) | Huma Eye: Accommodation (OLD NCERT) | Human Eye: Adaptation (OLD NCERT) |
 86%
From NCERT
NEET - 2016
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Chrysophytes, euglenoids, dinoflagellates and slime moulds are included in the kingdom:

1. Protista 2. Fungi
3. Animalia 4. Monera
Subtopic:  Kingdom Protista: Introduction |
 92%
From NCERT
NEET - 2016
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The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, including the:
1. thermoacidophiles
2. methanogens
3. eubacteria
4. halophiles
Subtopic:  Kingdom Monera: Bacterial Classification |
 97%
From NCERT
NEET - 2016
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Identify the correct statement on 'inhibin':
1. Is produced by granulosa cells in the ovary and inhibits the secretion of FSH
2. Is produced by granulosa cells in the ovary and inhibits the secretion of LH
3. Is produced by nurse cells in the testes and inhibits the secretion of LH
4. Inhibits the secretion of LH, FSH and prolactin.
Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
 53%
NEET - 2016
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It is much easier for a small animal to run Uphill than for a large animal, because?
 
1. Smaller animals have a higher metabolic rate
2. Small animals have a lower O2 requirement
3. The efficiency of muscles in large animals is less than, in the small animals
4. It is easier to carry a small body weight

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) | Adaptations (OLD NCERT) |
 52%
NEET - 2016
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A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed, the resulting genotypes were in the ratio of:
1. 1:2:1 :: Tall heterozygous : Tall homozygous : Drawf
2. 3:1 :: Tall : Dwarf
3. 3:1:: Dwarf : Tall
4. 1:2:1:: Tall homozygous : Tall heterozygous : Dwarf
Subtopic:  Monohybrid Cross: 1 |
 76%
From NCERT
NEET - 2016
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Depletion of which gas in the atmosphere can lead to an increase of skin cancers:
1. ozone
2. ammonia
3. methane
4. nitrous oxide

Subtopic:  Ozone Layer Depletion |
 94%
From NCERT
NEET - 2016
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Which one of the following is a characteristic feature of a cropland ecosystem?
1. Least genetic diversity
2. The absence of weeds
3. Ecological succession
4. The absence of soil organisms
Subtopic:  Introduction |
 59%
NEET - 2016
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Tricarpellary, syncarpous is found in flowers of?
1. Solanaceae
2. Fabaceae
3. Poaceae
4. Liliaceae
Subtopic:  Families of Flowering Plant: I |
 84%
From NCERT
NEET - 2016
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