Q. 1 Nitrogen Fixation is carried out primarily by

A) Humans

B) Plants

C) Bacteria

D) Consumers

✔ Bacteria
View Explanation

Q. 2 Which type of simple sugar is found primarily in fruit?

A) Fructose

B) Sucrose

C) Lactose

D) Maltose

✔ Fructose
View Explanation

Q. 3 Man has _____ pairs of salivary glands

A) 4

B) 3

C) 8

D) 6

✔ 3
View Explanation

Q. 4 Amoeba belongs to the phylum

A) Annelida

B) Protozoa

C) Platyhelminthes

D) Porifera

✔ Protozoa
View Explanation

Q. 5 The Mode of nutrition in which particulate food is devoured is

A) holophytic

B) holozoic

C) Parasitic

D) saprophytic

✔ holozoic
View Explanation

Q. 6 The group of crop plant that are vegetatively propagated is:

A) Sugarcane,potato and banana

B) potato,papaya and banana

C) Onion,coriander and lime

D) groundnut,drumstick and cashew nut

✔ Sugarcane,potato and banana
View Explanation

Q. 7 What happens during the S-phase of the cell cycle?

A) cell growth

B) cell division

C) protein and enzyme synthesis

D) DNA replication

✔ DNA replication
View Explanation

Q. 8 Serious dehydration may cause all of the following, EXCEPT

A) torn ligaments

B) muscle cramps

C) increased heart rate

D) reduced blood volume

✔ torn ligaments
View Explanation

Q. 9 Man has _____ pairs of salivary glands

A) 4

B) 3

C) 8

D) 6

✔ 3
View Explanation

Q. 10 Which structure is common to plant and animal cells?

A) Chloroplast

B) Centriole

C) Mitochondria

D) Central Vacuole

✔ Mitochondria
View Explanation

Q. 11 The technique of DNA fingerprinting in human was developed for first time by _________

A) Alec Jeffreys

B) Lalji Singh

C) J. Black

D) R. Ericson

✔ Alec Jeffreys
View Explanation

Q. 12 The molecules responsible for membrane transport are

A) Phospholipids

B) Proteins

C) Steroids

D) Carbohydrates

✔ Proteins
View Explanation

Q. 13 Where is glucose stored in the body?

A) blood

B) bones

C) None of the above

D) organs

✔ blood
View Explanation

Q. 14 Which of the following is not an enzyme?

A) Trypsin

B) Oxytocin

C) Ptyalin

D) Pepsin

✔ Oxytocin
View Explanation

Q. 15 What is the primary form of fat in the diet?

A) Fattyacids

B) Lipids

C) All of the above

D) Triglycerides

✔ Triglycerides
View Explanation

Q. 16 Where are Enzymes found?

A) human body

B) food

C) none

D) medicines

✔ human body
View Explanation

Q. 17 Amoeba belongs to the phylum

A) Annelida

B) Protozoa

C) Platyhelminthes

D) Porifera

✔ Protozoa
View Explanation

Q. 18 Which one of the following is a waterborne disease?

A) Malaria

B) Tuberculosis

C) All the above

D) Cholera

✔ Cholera
View Explanation

Q. 19 The term metabolism is best defined as

A) biochemical reactions involved in building cell molecules or breaking down molecules for energy

B) the number of calories it takes to keep from shivering on a cold day

C) a measure of carbohydrate utilization, typically involving measurement of calories

D) the length of time it takes to digest and absorb fats

✔ biochemical reactions involved in building cell molecules or breaking down molecules for energy
View Explanation

Q. 20 When more than 20% of the body weight is due to fat, the person is suffering from

A) Kwashiorkor

B) Marasmus

C) Obesity

D) Scurvy

✔ Obesity
View Explanation
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