NEET Biology: Questions 87 - 93 of 3390

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Question number: 87

» Reproduction » Sexual Reproduction in Flowering Plants » Flower Structure

MCQ▾

Question

Part of the gynoecium which receives the pollen is called

Choices

Choice (4) Response

a.

Ovule

b.

Stigma

c.

Style

d.

Ovary

Question number: 88

» Diversity in Living World » Five Kingdom Classification » Fungi

MCQ▾

Question

Which of the following symbiotic association is not useful as biofertilizer?

Choices

Choice (4) Response

a.

Rhizobium and leguminous roots

b.

Azolla and anabaena

c.

Roots of higher plants and fungi

d.

Algae and fungi

Question number: 89

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

MCQ▾

Question

The sporophyte of Riccia is

Choices

Choice (4) Response

a.

photosynthetically independent

b.

chemoautotrophs

c.

partial parasite

d.

total parasite

Question number: 90

» Ecology and Environment » Environmental Issues » Water Pollution and Its Control

MCQ▾

Question

In B. O. D. test, oxygen plays an important role to

Choices

Choice (4) Response

a.

Destroy waste organic matter

b.

Destroy pollution.

c.

Destroy inorganic matter.

d.

None of the above

Question number: 91

» Biotechnology and Its Applications » Genetic Engineering

MCQ▾

Question

Southern blotting is done for

Choices

Choice (4) Response

a.

mRNA

b.

Proteins

c.

RNA

d.

DNA

Question number: 92

» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways

MCQ▾

Question

During photosynthesis when PGA is charged into Phosphoglyceraldehyde, which of the following reaction occur?

Choices

Choice (4) Response

a.

Hydrolysis

b.

Reduction

c.

Oxidation

d.

Electrolysis

Question number: 93

» Cell Structure and Function » Chemical Constituents of Living Cells » Enzymes - Types, Properties, Enzyme Action

MCQ▾

Question

The given graph shows the effect of substrate concentration on the rate of reaction of the enzyme green gram phosphatase.

Image showing substrate concentration v/s Rate of reaction

Image Showing Substrate Concentration v/s Rate of Reaction

Substrate concentration and rate of reaction high when enzymes involve, but when normal inhibitor involve in the reaction the graph shows normal effect.

What does the graph indicate?

Choices

Choice (4) Response

a.

Presence of an enzyme inhibitor in the reaction mixture.

b.

Formation of an enzyme-substrate complex.

c.

The rate of enzyme reaction is directly proportional to the substrate concentration.

d.

At higher substrate concentration the pH increases.

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