11th Standard Syllabus & Materials

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11th Standard Botany - Cell - The Unit of Life English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

Published on: 11/11/2020

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.

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Std: 11th Standard - Biology

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Questions:

Multiple Choice Question

10 x 1 = 10

In human which cell lacks nucleus.

(a)

RBC

(b)

Lymphocyte

(c)

Monocytes

(d)

Neutrophils

In mitochondria, F₁-particles are found in_____

(a)

Matrix

(b)

Cristae

(c)

Outer layer

(d)

All the above

Who proposed the cell theory_________.

(a)

Singer and Nicolson

(b)

Schwann and Schleiden

(c)

Hook and Brown

(d)

Robertson

Who gave the term 'Chromosome'?

(a)

Balbiani

(b)

Robert Hooke

(c)

Waldeyer

(d)

Aristotle

Digestion of cell organelles by the cell is called_____

(a)

Phagocytosis

(b)

Pinocytosis

(c)

Autophagy

(d)

Autolysis

Endoplasmic reticulum and golgi are involved in the formation of_____.

(a)

centrioles

(b)

peroxisomes and centrioles

(c)

centrioles and basal body

(d)

lysosomes

_________ provides 3 dimensional images of surface of microscopic objects.

(a)

TEM

(b)

SEM

(c)

Phase Contrast microscope

(d)

Dark field 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

10.

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

(a)

mRNA