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11th Botany - Cell - The Unit of Life One Mark Questions with Answer Key

Published on: 27/08/2019

Botany - Cell - The Unit of Life

Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

Questions + Answers key

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Std: 11th Standard - Biology

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Questions:

Multiple Choice Question

10 x 1 = 10

Cytoplasm is stained _______by eosin.

(a)

Pink

(b)

Blue

(c)

Greenish blue

(d)

Green

Number of basal rings in gram positive bacteria _____________

(a)

(b)

(c)

(d)

Lampbrush chromosomes occur at ____________stage of meiotic Prophase I.

(a)

Leptotene

(b)

Diplotene

(c)

Zygotene

(d)

Pachytene

Polytene chromosomes are observed in_________ of Drosophilia

(a)

Endocrine gland

(b)

Gall bladder

(c)

Salivary gland

(d)

Exocrine gland

The metacentric chromosomes are shaped___________

(a)

(b)

(c)

(d)

A patch stop carrier is a part of_______

(a)

Bright field microscope

(b)

Dark field microscope

(c)

Electron microscope

(d)

Phase contrast microscope

The term animalcules was used by______.

(a)

Pasteur

(b)

Dutrochet

(c)

Leeuwenhoek

(d)

Robert Hooke

Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.

(a)

Neither lipid nor proteins can flip-flop

(b)

Both lipid and proteins can flip flop

(c)

While lipids can rarely flip-flop proteins cannot

(d)

While proteins can flip-flop lipids cannot

Sequences of which of the following is used to know the phylogeny.

(a)

mRNA

(b)