Biology - Mock Test 255

Question 2541

Number of nuclear pores/nucleus in an RBC are?

A) 1?3 B) 3?4 C) 10000 D) 30000

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Question 2542

Which of the following impart a red colour to Rose petals?

A) Chloroplast B) Chlorophyll C) Chromoplast D) Leucoplast

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Question 2543

On which of the following component of chloroplast chlorophyll is arranged?

A) Cell membrane B) Matrix C) Thylakoids D) Stroma

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Question 2544

Chlorophyll molecule contrains ________ as central metal ion?

A) Fe2+ B) Mg2+ C) Zn2+ D) Cu2+

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Question 2545

Which of the following combination is an example of self replicating organelles?

A) Mitochondria Ribosomes B) Mitochondria Nucleus C) Mitochondria Chloroplast D) Mitochondria Vacuole

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Question 2546

The stent energy in the form of ADP is regenerated by mitochondria into?

A) AMP B) ADP C) ATP D) All of these

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Question 2547

Which of the following is not present in mitochondria?

A) Enzymes B) Co-enzymes C) Ribosomes D) Thylakoids

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Question 2548

The place of centromere where spindle fibres get attached is?

A) Kinetochore B) Kinochore C) Centromere region D) all of these

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Question 2549

Ribosomes are assembled in?

A) Nucleolus B) Nucleus C) DNA D) RNA

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Question 2550

The type of plastids which help in pollination is?

A) Chromoplasts B) Leucoplasts C) Chloroplasts D) All of these

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