Match the columns and identify the correct option. 

Column I  Column II
A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus
B. Cristae (ii) Condensed structure of DNA
C. Cisternae (iii) Flat membranous sacs in stroma
D. Chromatin (iv) Infolding in mitochondria

1. A → (iv) B → (iii) C → (i) D → (ii)

2. A → (iii) B → (iv) C → (i) D → (ii)

3. A → (iii) B → (i) C → (iv) D → (ii)

4. A → (iii) B → (iv) C → (ii) D → (i)

Subtopic:  Mitochondria | Golgi Apparatus | Nucleus: Chromosomes |
 82%
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Select the wrong statement:

1. The viroids were discovered by D.J lvanovsky.
2. W.M. Stanley showed that viruses could be crystallized.
3. The term 'contagium vivum fluidum' was coined by MW Beijerinck.
4. Mosaic disease in tobacco and AIDS in human beings are caused by viruses.

Subtopic:  Virus, Viroids & Prions |
 82%
From NCERT
NEET - 2015
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During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by?

1. Leghaemoglobin

2. Xanthophylls

3. Carotene

4. Cytochrome

Subtopic:  Nodule formation |
 94%
From NCERT
NEET - 2015
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The species confined to a particular region and not found elsewhere are termed as:

1. Keystone 2. Alien
3. Endemic 4. Rare
Subtopic:  In Situ Conservation of Biodiversity |
 85%
From NCERT
NEET - 2015
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Which one of the following hormones is not involved in sugar metabolism?

1. Cortisol

2. Aldosterone

3. Insulin

4. Glucagon

Subtopic:  Adrenal Cortex: Cortisol |
 75%
From NCERT
NEET - 2015
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Which of the following is not a function of the skeletal system?

1. Production of erythrocytes

2. Storage of minerals

3. Production of body heat

4. Locomotion

Subtopic:  Human Skeleton: Introduction, Function, Parts |
 71%
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Which one of the following is not applicable to RNA?

1. Complementary base pairing

2. 5' phosphoryl and 3' hydroxyl ends

3. Heterocyclic nitrogenous bases

4. Chargaff's rule

Subtopic:  DNA Double Helix |
 76%
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Which one is the wrong statement?

1. Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.
2. Mucor has biflagellate Zoospores
3. Haploid endosperm is a typical feature of gymnosperms.
4. Brown algae have chlorophyll a and c fucoxanthin.

Subtopic:  Kingdom Fungi: Zygomycetes |
 58%
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A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is?

1. Gamete Inseminated Fallopian Transfer

2. Gamete Intra Fallopian Transfer

3. Gamete Internal Fertilisation and Transfer

4. Germ Cell Internal Transfer

Subtopic:  Infertility: 3 | Infertility |
 96%
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The wings of a bird and the wings of an insect are:

1. Homologous structures, represent divergent evolution
2. Analogous structures, represent convergent evolution
3. Phylogenetic structures, represent divergent evolution
4. Homologous structures, represent convergent evolution

Subtopic:  Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
 85%
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