Biology Past Paper Questions

Change Subject
Q 591:The amount of oxygen in expired air is:
A
21%
B
16%
C
28%
D
12%
Rawalpindi, 2018
View Answer
Q 592:The amount of sperms in semen is:
A
10%
B
20%
C
30%
D
40%
Rawalpindi, 2018
View Answer
Q 593:The example of rhizome is:
A
Corms
B
Ginger
C
Dasheen
D
Garlic
Rawalpindi, 2018
View Answer
Q 594:The hard outer layer of a bone is called
A
Cartilage
B
spongy bone
C
Compact bone
D
Bone marrow
Rawalpindi, 2018
View Answer
Q 595:Saliva contains an enzyme called
A
Trypsin
B
Pepsin
C
Amylase
D
Lactose
Rawalpindi, 2018
View Answer
Q 596:The major energy production centers are
A
Golgi bodies
B
Endoplasmic reticulum
C
Peroxisomes
D
Mitochondria
Rawalpindi, 2018
View Answer
Q 597:The mosquito which transmits dengue fever is
A
Culex
B
Anopheles
C
Aedes
D
None of these
Rawalpindi, 2018
View Answer
Q 598:The area of leaf surface which stomata cover is
A
0.5-1%
B
1-1.5%
C
1-2%
D
2-3%
Rawalpindi, 2018
View Answer
Q 599:The basic unit of classification is
A
Genus
B
Species
C
Population
D
Family
Rawalpindi, 2018
View Answer
Q 600:The enzyme lipase acts only on
A
Liposomes
B
Lipids
C
Proteins
D
Carbohydrate
Rawalpindi, 2018
View Answer
Total MCQs: 1434Page 60 of 144
Previous60616263646566676869Next
Subjects
Biology
Chemistry
English
Islamiat
Pakistan Studies
Physics