The first formed primary xylem elements are__________and later formed is _____________

(1)protoxylem , metaxylem

(2)metaxylem , protoxylem

(3)tracheids, vessels

(4)Both B and C

Subtopic:  Complex Tissue: Xylem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The type of primary xylem when protoxylem lies towards the pith is known as

(1)endarch

(2)exarch

(3)endoexarch

(4)Both A and C

Subtopic:  Complex Tissue: Xylem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Phloem in angiosperms is composed of

(1)sieve tube elements, companion cells, phloem parenchyma, phloem fibres

(2)sieve cells, companion cells, phloem parenchyma, phloem fibres

(3)albuminous cells, companion cells, phloem parenchyma, phloem fibres

(4)Both A and B

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Gymnosperms have

(1)albuminous cells

(2)sieve cells

(3)Both A and B

(4) comapanion cells

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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A mature sieve tube elements have

(1)large vacuole

(2)peripheral cytoplasm

(3)lack nucleus

(4)All of the above

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Pressure gradient in the sieve tubes is maintained by

(1)companion cells

(2)phloem fibres

(3)phloem parenchyma

(4)All of these

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following is true for phloem parenchyma?

(1)made up of elongated, tapering cylindrical cells

(2)have dense cytoplasm and nucleus

(3)stores food material and resins, latex and mucilage

(4)All of the above

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Phloem fibres  are

(1)also known as bast fibres

(2)made up of sclerenchymatous cells

(3)absent in primary phloem

(4)All of these

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which element of the phloem becomes dead at maturity

(1)sieve tube elements

(2)companion cells

(3)phloem parenchyma

(4)phloem fibres

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which element of the phloem is absent in most of the monocots?

(1)sieve tube elements

(2)companion cells

(3)phloem parenchyma

(4)phloem fibres

Subtopic:  Complex Tissue: Phloem |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: