Biology GK Questions - Biology General Knowledge questions for Competitive Exams

Zoology GK questions for competitive exams

Q.51 When we eat something we like, our mouth waters. This is actually not water but fluid secreted from

(A) nasal glands

(B) oval epithelium

(C) salivary glands

(D) tongue

Q.52 Which of the following is known as the voice box?

(A) trachea

(B) pharynx

(C) epiglottis

(D) larynx

Q.53 Which one among the following will be absorbed fastest through the wall of digestive system?

(A) Black coffee as a hot beverage

(B) DDT taken as a poison

(C) Raw alcohol taken as a drink

(D) Ice cream as a desert

Q.54 It has been observed the astronauts lose substantial quantity of calcium through urine during space flight. This is due to

(A)hypergravity

(B) microgravity

(C) intake of dehydrated food tablet

(D) low temperature in cosmos

Q.55 Cutting and peeling of onion bring tears to the eyes because of the presence of

(A) sulfur in the cell

(B) carbon in the cell

(C) fat in the cell

(D) aminoacid in the cell

Q.56 The contractile proteins in a muscle are

(A) Actin and Myosin

(B) Actin and Tropomyosin

(C) Myosin and Troponin

(D) Troponin and Tropomyosin

Q.57 Which of the following is not an enzyme?

(A) Amylase

(B) Pepsin

(C) Somatotropin

(D) Trypsin

Q.58 Which one of the following is not a part of small intestine?

(A) Caecum

(B) Duodenum

(C) Jejunum

(D) Ileum

Q.59 All enzymes are actually

(A) Carbohydrates

(B) Proteins

(C) Fatty acids

(D) Sterols

Q.60 Cartilage present in body is

(A) a muscular tissue

(B) an epithelial tissue

(C) a connective tissue

(D) a germinal tissue