Biology - Comprehensive Mock Test 61

Question 601 Easy

Vital stains are employed to study ?

A) Living cells B) Frozen tissues C) Fresh tissues D) Preserved tissues

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Question 602 Medium

Phagocytosis and pinocytosis are collectively termed as ?

A) Endocytosis B) Suspension feeding C) Omnivores D) Mucous trap

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Question 603 Easy

The two polynucleotide chains in DNA are ?

A) Semiconservative B) Parallel C) Discontinuous D) Antiparallel

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Question 604 Easy

Purines possess nitrogen at ?

A) 1, 2, 4 and 6 position B) 1, 3, 5 and 7 position C) 1, 3, 7 and 9 position D) 1, 2, 6 and 8 position

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Question 605 Medium

Which one of the following is not a constituent of cell membrane?

A) Phospholipids B) Cholesterol C) Glycolipids D) Proline

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Question 606 Medium

Which one of the following structures between two adjacent cells is an effective transport pathway? ?

A) Plasmalemma B) Plasmodesmata C) Plastoquinones D) Endoplasmic reticulum

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Question 607 Medium

When a ripe tomato is pricked with a needle a watery fluid comes out. This fluid is stored in ?

A) Vacuole B) Plastid C) Cytoplasm D) Nucleus

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Question 608 Easy

What is a genophore?

A) DNA in prokaryotes B) DNA and RNA in prokaryotes C) DNA and protein in prokaryotes D) RNA in prokaryotes

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Question 609 Medium

Tonoplast is a differentially permeable membrane surrounding the _____?

A) Vacuole B) Cytoplasm C) Mitochondria D) Nucleus

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Question 610 Medium

Tonoplast, also called vacuolar membrane is a differentially permeable membrane surrounds the ______?

A) cytoplasm B) vacuole C) nucleus D) mitochondria

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