NEET Biology: Questions 579 - 585 of 3146

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3146 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 700.00 or

Question number: 579

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

Role of bacteria in carbon cycle is

Choices

Choice (4) Response
a.

Photosynthesis

b.

Chemosynthesis

c.

Assimilation of nitrogen compounds

d.

Breakdown of organic compounds

Question number: 580

» Diversity in Living World » Five Kingdom Classification » Plant Group - Bryophytes

MCQ▾

Question

In Riccia / Marchantia, the rhizoids are

Choices

Choice (4) Response
a.

unbranched unicellular

b.

unbranched multicellular

c.

branched unicellular

d.

branched multicellular

Question number: 581

» Diversity in Living World » Five Kingdom Classification » Monera

MCQ▾

Question

How many bacteria are produced in four hours if a bacterium divides once in half an hour?

Choices

Choice (4) Response
a.

256

b.

64

c.

8

d.

16

Question number: 582

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Number of nuclei taking part in double fertilization is

Choices

Choice (4) Response
a.

5

b.

4

c.

2

d.

3

Question number: 583

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Flower

MCQ▾

Question

In monadelphous condition, stamens have

Choices

Choice (4) Response
a.

Anthers are fused but filaments are free.

b.

Filaments united in groups but all anthers are free.

c.

anthers and filaments are fused.

d.

Filaments of all united in one group but anthers are free.

Question number: 584

» Plant Physiology » Plant Growth and Development » Photoperiodism

MCQ▾

Question

When the dark period of short day plants is interrupted by brief exposure of light, then the plant

Choices

Choice (4) Response
a.

Turn into a long day plant.

b.

Give more flowers.

c.

Will not flower at all.

d.

Flower immediately.

Question number: 585

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

MCQ▾

Question

Syngamy means

Choices

Choice (4) Response
a.

Fusion of cytoplasm.

b.

Fusion of dissimilar spores.

c.

Fusion of gametes.

d.

Fusion of similar spores.

Sign In