NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 615 - 621 of 3511

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Question number: 615

» Diversity in Living World » Five Kingdom Classification » Monera

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MCQ▾

Question

Which was the first photosynthetic organism?

Choices

Choice (4) Response

a.

Red algae

b.

Brown algae

c.

Green algae

d.

Cyanobacteria

Question number: 616

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

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MCQ▾

Question

Leguminous plants possess

Choices

Choice (4) Response

a.

napiform roots

b.

nodulated roots

c.

tuberous roots

d.

fusiform roots

Question number: 617

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

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MCQ▾

Question

From single ear of corn, a farmer planted 200 kernels which produced 140 tall and 40 dwarf plants. The genotype of these offsprings are most likely

Choices

Choice (4) Response

a.

TT and tts

b.

TT, Tt and tt

c.

Tt and tt

d.

TT and Tt

Question number: 618

» Ecology and Environment » Ecosystem » Nutrient Cycling

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MCQ▾

Question

Azotobacter and Clostridium are nitrogen fixing bacteria and found in

Choices

Choice (4) Response

a.

Nodulated roots

b.

Leaves of certain plant

c.

Free in soil

d.

All of the above

Question number: 619

» Cell Structure and Function » Cell Organelles - Structure and Function » Plastids

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MCQ▾

Question

Many cells function properly and divide mitotically even though they do not have

Choices

Choice (4) Response

a.

cytoskeleton

b.

mitochondria

c.

plastid

d.

plasma membrane

Question number: 620

» Plant Physiology » Transport in Plants » Transpiration Pull

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MCQ▾

Question

Transpiration efficiency is the ratio of

Choices

Choice (4) Response

a.

Absorption to transpiration.

b.

Rate of ascent of sap to transpiration.

c.

Dry matter produced/hg. Of transpired water.

d.

Transpiration to area of the leaf.

Question number: 621

» Cell Structure and Function » Chemical Constituents of Living Cells » Biomolecules-Structure and Function

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MCQ▾

Question

Which of the following has highest lactose content?

Choices

Choice (4) Response

a.

Cow milk

b.

Buffalo milk

c.

Human milk

d.

Goat milk