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NEET Practice Questions (MCQs) with Answers & Solutions

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All Physics Chemistry Botany Zoology

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More distinct annual rings are present where climate conditions are

non uniform

uniform

Temperate regions

Both A and C

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Explanation

Refer NCERT,heading 6.4.1.3 para 1, page 96

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Annual rings are bands

secondary xylem and xylem rays

secondary phloem and phloem rays

secondary phloem and xylem rays

Both A and C

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Explanation

Refer NCERT,heading 6.4.1.3 para 1, page 96

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Which one is true for sapwood

It lies in the peripheral region of xylem

It does conduction of water and minerals

It is also called as alburnum

All of the above

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Explanation

Refer NCERT,heading 6.4.1.4 para 1, page 96

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Least distinct annual rings are present in regions like

tropical areas

desert

coastal areas

All of the above

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Explanation

In these areas the climate is almost same throughout the year

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Secondary growth in extra stelar region is due to

Phellogen

Cork cambium

Extrastelar cambium

All of these

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Explanation

Refer NCERT,heading 6.4.2 para 1, page 96

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Cork cambium is derived from the

hypodermis

outer layer of the cortex

endodermis

Both A and B

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Explanation

Refer NCERT,heading 6.4.2 para 1, page 96

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Cork cambium gives rise

cork

phelloderm

phellem

All of the above

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Explanation

Refer NCERT,heading 6.4.2 para 1, page 96

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Periderm comprises of

Phellem

phellogen

phelloderm

All of these

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Explanation

Refer NCERT,heading 6.4.2 para 1, page 96

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The dead cells which are formed towards the epidermis by cork cambium are called as

cork

phellem

phelloderm

Both A and B

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Explanation

Refer NCERT,heading 6.4.2 para 1, page 96

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The chloroplast containing parenchymatous cells which are formed towards the innersideby cork cambium are called as

secondary cortex

phelloderm

phellem

Both A and B

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Explanation

Refer NCERT,heading 6.4.2 para 1, page 96

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