Biology Test 5

Total Questions: 25

1 - Which of the following is sedative?

A ) Mescaline
B ) Sulphadizine
C ) Equanil ✅
D ) Papaverine

2 - Warm-blooded animals maintain in high body temperature for faster

A ) Digestion
B ) Breathing
C ) Breeding ✅
D ) Movement

3 - In which of the following do red blood cells originate?

A ) Bone marrow ✅
B ) Brain
C ) Ligaments
D ) Muscle

4 - Pituitary gland in the human body controls

A ) Level of blood calcium
B ) Level of blood sugar
C ) Salt and water balance in the body
D ) Growth of bones ✅

5 - The yellow colour of the urine is due to the presence of

A ) Urochrome ✅
B ) Blood
C ) Cholesterol
D ) Bile

6 - Disease not related to lung malfunctioning is

A ) Tuberculosis
B ) Anaemia ✅
C ) Pneumonia
D ) Pleurisy

7 - Penicillin,an antibiotic,is obtained from a

A ) Flowering plant
B ) Fungus ✅
C ) Virus
D ) Bacterium

10 - Antigen is a substance which

A ) Lowers body temperature
B ) Destroys harmful bacteria
C ) Triggers the immune system ✅
D ) Is used as an antidote to poison

12 - If a colour-blind lady marries a normal male,and gives birth to a son and a daughter,then

A ) Both son and daughter would be colour-blind
B ) The daughter would be colour-blind but son would be normal
C ) The son would be colour-blind but the daughter would be heterozygous normal ✅
D ) Neither the son nor the daughter would be colour-blind

13 - Proteins are made of

A ) Sugar
B ) Fatty acid
C ) Nucleic acid
D ) Amino acid ✅

14 - Penicillin are made by fungus called

A ) Penicillium ✅
B ) Manlosporium
C ) Streptomyces
D ) Bt-gene

15 - Water helps in the metabolism process in the presence of

A ) Amino acids
B ) Ribonucleic acid
C ) Proteins
D ) Enzymes ✅

16 - Which act as harmone.

A ) Carbohydrates
B ) Proteins ✅
C ) Vitamins
D ) Fats

17 - The Hormones are the

A ) Chemical messengers ✅
B ) Zoological messengers
C ) Physical messengers
D ) Bio physical messengers

18 - Who discovered bacteria first in 1697?

A ) Lwanowsky
B ) Leeuwenhoek ✅
C ) Louis Pasteur
D ) Robert Koch

19 - One of the followings is not a characteristic of an insect.

A ) Their body is divided into head ,thorax and abdomeb
B ) They possess a pair of legs in each segment ✅
C ) They possess two wings for flying
D ) Two prominent antennae are present on head

21 - If the temperature rises gradually up to 40°C, the rate of photosynthesis

A ) Increases
B ) Decreases ✅
C ) Remains constant
D ) May stop altogether

22 - An adult requires how many proteins daily

A ) 10-20 grams
B ) 30-50 grams
C ) 50-100 grams ✅
D ) More than 100 grams

24 - The rate of breathing is regulated by

A ) Amount of oxygen in the blood
B ) Amount of carbon dioxide in blood ✅
C ) Amount of oxygen in the cells
D ) Amount of carbon dioxide in the cells