PRACTICE TEST - 1 - CHAPTER 5

Welcome to your Ncert - class 9- science-Chapter 5 – The Fundamental Unit of Life

Which of the following is not true about meiosis?

The daughter cells have twice the number of chromosomes as the mother cell

4 daughter cells are formed

It results in gamete formation

None of these

None

Which part of the cell helps the transfer of material from the nucleus to the cytoplasm?

Chromatin fibres

None of the above

Nuclear pores

DNA

None

Movement of ions or molecules against electrochemical gradient is called

Active transport

Brownican movement

Diffusion

Pinocytosis

None

In a plant cell, cytokinesis occurs by

Separation of the cytoplasm throughout the equatorial plane simultaneously

Separation of the cytoplasm from the periphery to central region

Separation of the cytoplasm from cell centre to its periphery

Furrowing of cytoplasm from two sides at right angles to the plane of spindle pole

None

Geeta was asked to prepare a temporary mount of onion peel and list the steps. While writing, she wrote the following steps, which may not be in proper sequence. The correct sequence would be

(i) Add a few drops of safranin to the watch glass

(ii) Cover it with a coverslip

(iii) Add a drop of Glycerine

(iv) Take out onion peel

(v) Place the peel in water in a watch glass

(vi) Wash the peel with water and transfer to a clean slide

(vii) Remove the extra water from the slide with blotting paper

(viii) Examine the slide under a microscope

iv, v, iii, ii, i, vii, vi, viii

i, ii, iii, iv, v, vii, vi, viii

v, iv, i, vii, vi, viii, iii, ii

iv, v, i, vi, vii, iii, ii, viii

None

Water molecules move from their ______ concentration to their ______ concentration during osmosis.

Isotonic, higher

Higher, isotonic

Lower, higher

Higher, lower

None

Name one organelle present in a plant, that can make some of its proteins.

Mitochondria

Lysosome

None of the above

Golgi apparatus

None

Identifying feature(s) of onion cell under microscope are___________.

Cell wall

All of the above

Peripheral nucleus

Large vacuole

None

The type of cell division that is essential for reproduction is _______.

None of these

Mitosis

Meiosis

Both A and B

None

10.

What is membrane biogenesis?

All of the above

Cell wall formation

Process of building cell membrane

Process of forming biological organism

None

11.

Match column I with column II and select the correct answer using the codes given below:

Column I	Column II
(A) Amoeba, Paramoecium, Chlamydomonas	(p) Lysosomes
(B) Protoplasm	(q) Unicellular organisms
(C) Suicide bags of a cell	(r) Purkinje in 1839
(D) Chromatin material and nucleolus	(s) Schleiden and Schwann
(E) Cell theory	(t) Nucleus

(A)→r,(B)→q,(C)→p,(D)→t,(E)→s

(A)→q,(B)→r,(C)→p,(D)→t,(E)→s

(A)→q,(B)→p,(C)→r,(D)→t,(E)→s

(A)→q,(B)→r,(C)→p,(D)→s,(E)→t

None

12.

Statement I : All prokaryotes have a cell wall, eukaryotes do not.

Statement II : Prokaryotes have a true nucleus, eukaryotes have a primitive nucleus.

Both statement I and statement II are true and statement II is the correct explanation of statement I.

Both statement I and statement II are true but statement II is not the correct explanation of statement I.

Both statement I and statement II are false.

Statement I is true but statement II is false.

None

13.

The smallest cell is a _____________ measured between 0.1 to 0.5 micrometre in size.

RBC

Bacteria

Fungi

Virus

None

14.

If the mother cell cell has 24 chromosomes, the 2 daughter cells formed after mitosis will have ______ chromosomes.

None

15.

Root hairs absorb water from soil through_______________

All of the above

Diffusion

Osmosis

Imbibition

None

16.

Name two organelles having their own genetic component.

Chloroplast and mitochondria

Chloroplast and leucoplast

Mitochondria and cell wall

Golgi apparatus and cell wall

None

17.

How do substances like carbon dioxide (CO2 ) and water (H2O) move in and out of the cell?

Active transport

Osmosis

Facilitated diffusion and diffusion

Diffusion and osmosis

None

18.

Match the following correctly.

List I	List II
A) Rough endoplasmic reticulum	1) Amoeba
B) Lysosome	2) Nucleus
C) Nucleoid	3) Bacteria
D) Food vacuoles	4)Ribosomes
E) Chromatin material and nucleolus	5) Suicidal bag

A- 3, B- 2, C- 4, D- 5, E- 1

A- 5, B- 4, C- 1, D- 2, E- 3

A- 4, B- 5, C- 3, D- 1, E- 2

A- 1, B- 3, C- 5, D- 2, E- 4

None

19.

Which component of a plant cell gives it rigidity and shape?

All of the above

Nucleus

Cell membrane

Cell wall

None

20.

The fact that nucleus possessed the ability to control phenotype was first determined by

Grafting experiments with Acetabularia

Experiments with bacteria that identified DNA polymerase

Transformation experiments with Streptococcus pneumoniae

Experiments with radiolabelled phages

None

Chapter 5- The Fundamental Unit of Life

Chapter 6 - Tissues

Chapter 12 – Improvement in Food Resources

Curriculum

Ncert - class -9 - Biology

Chapter 5- The Fundamental Unit of Life

Chapter 6 - Tissues

Chapter 12 – Improvement in Food Resources

PRACTICE TEST – 1 – CHAPTER 5 – CLASS 9