Section
A
Encircle
the correct option
(i)
Biotic components of an environment include
a- Water
c-plants and animals
b- Sunlight d-Air
(ii)
The species which becomes extinct are termed as
a- Extinct plants b- plant species
b- Endangered species d- animal species
(iii)
What is scientific name of human
a- Oryz Sativa c- Solanum tuberosum
b- Homo Sapiens d-Rana tigrina
(iv)
What is scientific name of frog
a- Solanum melongena c- Homo Sapiens
b- BrassicaCampestris d-Rana tigrina
(v)
Binomial nomenclature was introduced by
a- Aristotle c-
Carolus Linnaeus
b- Ernst Haeckel d- R H
Whittaker
(vi)
The period of cell cycle between two consecutive division is
termed as
a- Prophase c-metaphase
b- Telophase d-
Interphase
(vii)
Crossing over occurs during
a- Meiosis I
c-Meiosis II
b- Mitosis
d-Telophase
(viii)
In which stage of cell cycle the cell stops dividing
a- G1 Phase c-S
phase
b- G2 Phase d-Go
Phase
(ix)
Hydrolysis of starch occurs in
a- Sucrose
c-Cellulose
b- Amylase d-
Lipase
(x)
The sum off all the chemical reaction in a cell is called
a- Metabolism
c-Catabolism
b- intercellular d- Space Anabolism
I.
The knowledge based on observation and experiment is
called.
a) Biology b)science c)physics d)botany
II.
Study of insects is called.
a) Cell biology b) anatomy
c) microbiology d) entomology
III.
The microscopic study of tissue is called.
a) Genetics b) morphology c) histology d) embryology
IV.
The structural and functional unit of life is.
a) Gene b) DNA
c) cell d) protein
V.
The elements which are essential for all living
organisms.
a) Bioelements b) Natural
elements c) minerals d) vitamins
VI.
Water soil and rock are.
a) Biotic components b) natural components
c) Abotic components d) raw materials
VII.
The small molecule in living organisms.
a) Macro molecules b) simple molecules
d) Complex molecules d) micro
molecules
VIII.
The scientific name of mustard plant.
a) Solanum tuberosum b) oryaza sativa
c) Brassica compestris d) Rana tigrina
IX.
The art of gardening is called.
a) Gardening b) Grafting
c) Horticulture d) cutting
|
Note:
Choose the Correct Answer (10) |
||||||||
|
(1) |
What is
true about cofactors |
|||||||
|
|
(a) |
Break
hydrogen bond in protein |
(b) |
Half
facilitator enzyme activity |
(c) |
Increase
activation en |
(d) |
Complete
Assessment |
|
(2) |
The
catalytic activity of an enzyme is restricted to its small portion called |
|||||||
|
|
(a) |
Active
site |
(b) |
Passive
site |
(c) |
Binding
site |
(d) |
Intermediate
site |
|
(3) |
Lock
and key hypothesis of enzyme action supports that |
|||||||
|
|
(a) |
Active
site are flexible |
(b) |
Active
sites are liquid |
(c) |
Active
sites efficiency increase |
(d) |
Active
sites can change its shape |
|
(4) |
Geycolysis
is the breakdown of |
|||||||
|
|
(a) |
fructose |
(b) |
Lactose
|
(c) |
Maltose
|
(d) |
Glucose
|
|
(5) |
Pyruvate is the end product of |
|||||||
|
|
(a) |
Krebs
cycle |
(b) |
photolysis |
(c) |
Plasmolysies
|
(d) |
Geycolysis
|
|
(6) |
Which
statement is false about light dependent reaction |
|||||||
|
|
(a) |
O2 is
librated |
(b) |
ATR is
formed |
(c) |
C02 is
fixed |
(d) |
Water
is split |
|
(7) |
The
element found in all proteins not in carbohydrates |
|||||||
|
|
(a) |
Carbon |
(b) |
Nitrogen
|
(c) |
oxygen |
(d) |
Hydrogen
|
|
(8) |
Emulsification of fat does not occur in the absence of |
|||||||
|
|
(a) |
Lipase |
(b) |
Pancreatic
juice |
(c) |
Bile |
(d) |
Gastric
juice |
|
(9) |
Part of
digestive system which is not contact with food is |
|||||||
|
|
(a) |
Small
intestine |
(b) |
Colon |
(c) |
Liver |
(d) |
Stomach
|
|
(10) |
Process
of conversion of simple absorbed food into complex compounds that become part
of body is called. |
|||||||
|
|
(a) |
Digestion
|
(b) |
Absorption
|
(c) |
Absorption
|
(d) |
Assimilation
|
Section B
1.
1-What is binomial nomenclature?
2.
2-Describe the two-kingdom
classification.
3.
3-Why is virus regarded as acellular?
4.
4-Distinguish between mitosis and
meiosis.
5.
5-Compare Necrosis and Apoptosis.
6.
6-What are homologous chromosomes?
7.
7-Describe the errors in mitosis.
8.
8-Differentiate between catalyst and
enzymes.
9.
9-Why enzymes are called biological
catalyst?
10.
10-How enzyme are affected by PH of
medium?
11.
11-Write a detail note on Mitosis with
the diagram.
12.
12-Explain five Kingdom of
classification.
13.
13- (a) Describe Lock and Key model.
14.
(b) How can you explain specificity of
enzymes.
15. What is meant by colonial organization?
16. Differentiate between unicellular and multicellular organisms?
17. What are the contributions of Jabir bin hayan in the field of biology?
18. How biology is linked with other sciences?
19. What is meant by division of labors among multicellular organization
No comments:
Post a Comment