The stage during which separation of the paired homologous chromosomes begins is:

1. Pachytene 2. Diplotene
3. Diakinesis 4. Zygotene

Subtopic:  Cell Cycle: Meiosis I |
 63%
From NCERT
NEET - 2018
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The two functional groups characteristic of sugars are:

1. Hydroxyl and methyl 2. Carbonyl and methyl
3. Carbonyl and phosphate 4. Carbonyl and hydroxyl
Subtopic:  Carbohydrates: Introduction |
 64%
NEET - 2018
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Which of the following is not a product of light reaction of photosynthesis?
1. ATP 2. NADH
3. NADPH 4. Oxygen
Subtopic:  Light Reaction: Photophosphorylation |
 73%
From NCERT
NEET - 2018
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Stomata in grass leaves are:
1. Dumb-bell shaped
2. Kidney shaped
3. Rectangular
4. Barrel-shaped
Subtopic:  Epidermal Tissue System |
 91%
From NCERT
NEET - 2018
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Which among the following is not a prokaryote?
1. Saccharomyces
2. Mycobacterium
3. Nostoc
4. Oscillatoria

Subtopic:  Kingdom Fungi: Ascomycetes |
 73%
From NCERT
NEET - 2018
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Which of the following is true for nucleolus?

1. Larger nucleoli are present in dividing cells.
2. It is a membrane-bound structure.
3. It takes part in spindle formation.
4. It is a site for active ribosomal RNA synthesis.

Subtopic:  Nucleus |
 80%
From NCERT
NEET - 2018
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The Golgi complex participates in?
1. Fatty acid breakdown
2. Formation of secretory vesicles
3. Respiration in bacteria
4. Activation of amino acid
Subtopic:  Golgi Apparatus |
 84%
From NCERT
NEET - 2018
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In the stratosphere, which of the following element acts as a catalyst in the degradation of ozone and release of molecular oxygen?

1. Carbon
2. Cl
3. Fe
4. Oxygen

Subtopic:  Ozone Layer Depletion |
 85%
From NCERT
NEET - 2018
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Which of the following is a secondary pollutant?

1. CO

2. CO2

3. SO2

4. O3

Subtopic:  Introduction to Pollution & Types |
 57%
NEET - 2018
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Niche is:
1. All the biological factors in the organism environment
2. The physical space where an organism lives
3. The range of temperature that the organism needs to live
4. The functional role played by the organism where it lives
Subtopic:  Introduction to the Chapter |
 73%
From NCERT
NEET - 2018
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