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CIA I cell biology

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

The term cell was given by

a)

Robert Hooke

b)

Tatum

c)

Schwann

d)

De Bary

2.

bacteria, blue green algae, animals and plants are minute in size and are measured by the fractions of---------------

a)

Cell

b)

Watts

c)

Ohms

d)

Standard Units

3.

The membrane around the vacuole is known as

a)

Tonoplast

b)

Elaioplast

c)

Cytoplast

d)

Amyloplast

4.

Lysosomes are known as “suicidal bags” because

a)

Parasitic activity

b)

Presence of food vacuole

c)

Hydrolytic activity

d)

Catalytic activity

5.

Gram negative bacteria contains lipopolysaccharides

a)

true

b)

false

6.

The gel-like substance that surrounds all the organelles in the cell is called

a)

cytoplasm

b)

nucleoplasm

c)

mitochondria

7.

The unit membrane model was proposed by

a)

L. Nicolson

b)

Robertson

c)

Dannelli

8.

scope-Means

a)

small

b)

tiny

c)

to observe

d)

big

9.

The study of individual cells of the body

a)

Cytochemistry

b)

Cytopathology

c)

Histology

d)

cytology

10.

Which organelle involved in the formation of cilia and flagella

a)

centriole

b)

plastid

c)

chloroplast

11.

An irregularly-shaped region that contains the cell’s DNA and is not surrounded by a nuclear envelope

a)

DNA

b)

chromosome

c)

Nucleoid

d)

Plasma membrane

12.

Eukaryotes have true nucleus?

a)

True

b)

False

13.

Nuclear membrane consist of how many phospholipid bilayer

a)

3

b)

2

c)

1

d)

0

14.

Centrioles are tubular structures composed mainly of the protein

a)

Pectin

b)

Tubulin

c)

Cellulose

d)

all the above

15.

The inner membrane stroma that contains small structures called

a)

grana

b)

thylakoid

c)

stroma

d)

all the above

16.

Nucleus and nuclear membrane is absent in

a)

Bacterial cells

b)

Plant cells

c)

Animal cells

d)

All the above

17.

This structure of the plant cell is non-living

a)

Nucleus

b)

cell wall

c)

cytoplasm

d)

Mitochondrion

18.

_____________is the study of the cell, its types, structure, functions and its organelles.

a)

Biology

b)

Cell Biology

c)

Microbiology

d)

Biotechnology

19.

The organelle serving as traffic area for molecules

a)

Vacuole

b)

Plastids

c)

Mitochondria

d)

Golgi apparatus

20.

Fungi cell wall is made up of

a)

cellulose

b)

Lignin

c)

chitin

d)

all

21.

In plant cell wall the outermost layer is

a)

primary cell wall

b)

secondary cell wall

c)

middle lamella

d)

plasma membrane

22.

the outer surface of protein the membrane present is non-mucoid protein.

a)

True

b)

False

23.

Which is nearest the endoplasmic reticulum

a)

cis

b)

medial

c)

trans

24.

Nuclear pores are made up of

a)

Lipids

b)

Proteins

c)

carbohydrates

25.

The protein structure on chromatids where the spindle fibers attach during cell division to pull sister chromatids is called

a)

chromatids

b)

centromere

c)

kinetochore

d)

Telomere

26.

Protect the ends of the chromosomes during DNA replication by forming a cap is called

a)

Telomeres

b)

chromatids

c)

centromere

d)

None of the above

27.

Mitochondria convert chemical energy from the food we eat into an energy .This process is called

a)

oxidative phosphorylation.

b)

ETC

c)

Proton process

d)

Kerbs cycle

28.

What type of ribosome

a)

Prokaryotic

b)

Eukaryotic

29.

Which is the longest part of the cell cycle

a)

G2 phase

b)

Interphase

c)

S phase

d)

All the above

30.

In which membrane most ATP is created in mitochondria

a)

Cristae

b)

Outer membrane

c)

Inner membrane

31.

In prokaryotic cells, the ribosomes often occur freely in the cytoplasm

a)

true

b)

false

32.

the separation of the cytoplasm to form two new daughter cells is called

a)

Mitosis

b)

kinetochore

c)

cytokinesis

33.

This image depicts which cell division

a)

mitosis

b)

meiosis

34.

Cytokinesis is more complex in

a)

animal cells

b)

plant cells

c)

bacterial cells

35.

In meiosis cell division II the daugther cells formed are

a)

haploid(n)

b)

Diploid(4n)

c)

Null

36.

Which check point determines if the DNA has been replicated properly

a)

G1 checkpoint

b)

mitosis checkpoint

c)

S checkpoint

37.

Which is the phase of cell cycle this image denotes

a)

Anaphase

b)

Telophase

c)

Metaphase

38.

In which phase all cells are actively dividing or preparing to divide and are in resting phase is called

a)

G1

b)

G0

c)

S

39.

Eukaryotic ribosome contains

a)

80S

b)

70S

40.

Which cells lack nuclear membrane

a)

prokaryotes

b)

eukaryotes

41.

Which of the following cell organelles regulates the entry and exit of molecules to and from the cell?

a)

Lysosomes

b)

Golgi bodies

c)

Cell membrane

d)

Mitochondria

42.

Which of the following cell organelles is called the powerhouse of the cell?

a)

Nucleus

b)

Lysosomes

c)

Chloroplast

d)

Mitochondria

43.

Bacterial cell wall is made up of

a)

peptidoglycans

b)

phospholipid

c)

pectin

44.

hydrophilic-meaning

a)

Water hating

b)

Water loving

c)

Mixing with water

d)

None of the above

45.

Scientist who discovered first human chromosome-Name

a)

Joe Hin Tjio

b)

G.E. Palade

c)

M.Calvin

d)

L.Pauling

46.

Picogram is expressed as

a)

10-3

b)

10-6

c)

10-9

47.

cytological science which provides cytological support to the taxonomic position of any species is called

a)

Cytotaxonomy

b)

Cytochemistry

c)

Cytogenetics

48.

Flagella motility is present in bacterial cells

a)

True

b)

False

49.

This is the structure of

a)

carbohydrate

b)

phospholipid

c)

protein

50.

Chromosomes are made up of

a)

DNA

b)

DNA and histones

c)

RNA and histones