NEET Biology: Questions 650 - 656 of 3146

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Question number: 650

» Cell Structure and Function » Cell Organelles - Structure and Function » Cell Membrane

MCQ▾

Question

Which of the following layer is present nearest at plasma membrane in plant cell?

Choices

Choice (4) Response

a.

Primary wall

b.

Tonoplast

c.

Middle lamella

d.

Secondary wall

Question number: 651

» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis

MCQ▾

Question

Which of the following is initiating step in photosynthesis?

Choices

Choice (4) Response

a.

Activation of chlorophyll by sunlight

b.

Photolysis of water

c.

ATP formation

d.

Glucose formation

Question number: 652

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

Dynamic aspect of an ecosystem is

Choices

Choice (4) Response

a.

Consumer and mineral cycles.

b.

Producer and energy flow.

c.

Energy flow and mineral cycles.

d.

Producer and mineral cycles.

Question number: 653

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

MCQ▾

Question

All xylem elements when mature are dead except

Choices

Choice (4) Response

a.

tracheids

b.

vessels

c.

xylem fibres

d.

xylem parenchyma

Question number: 654

» Biotechnology and Its Applications » Genetic Engineering

MCQ▾

Question

Two bacteria found to be very useful in genetic engineering experiment are

Choices

Choice (4) Response

a.

Nitrosomonas and Klebsiella

b.

Nitrobacter and Azotobacter

c.

Escherichia and agrobacterium

d.

Rhizobium and diplococcus

Question number: 655

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

MCQ▾

Question

Cortex in the monocot root constitutes

Choices

Choice (4) Response

a.

collenchymatous cells

b.

sclerenchymatous cells

c.

parenchymatous cells

d.

companion cells

Question number: 656

» Plant Physiology » Plant Growth and Development » Sequence of Developmental Process in a Plant Cell

MCQ▾

Question

Pigment phytochrome is involved in

Choices

Choice (4) Response

a.

Phototropism

b.

Geotropism

c.

Photorespiration

d.

Photoperiodism

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