CBSE Class 10 - Science - CH6 - Life Processes (MCQs)

Life Processes

(MCQs)

Q1: Which of the following type has the longest small intestine?

(a) Carnivores
(b) Omnivores
(c) Herbivores
(d) Autotroph


Q2: Villi are present in

(a) pancreas
(b) stomach
(c) small intestine
(d) oesophagus


Q3: Which of the following metal is associated with heamoglobin?

(a) Aluminum
(b) Iron
(c) Potassium
(d) Calcium




Q4: Where the process of digestion of food starts in human being?

(a) Stomach
(b) Food canal
(c) Mouth
(d) Small intestine


Q5: The kidneys in human beings are a part of the system for?

(a) excretion
(b) nutrition
(c) respiration
(d) transportation


Q6: By which of the following bile is secreted in human digestive system?

(a) Pancreas
(b) Liver
(c) Kidney
(d) Stomach


Q7: The action of bile can be termed as:

(a) esterification
(b) hydrogenation
(c) oxidation
(d) emulsification


Q8: Which one of the following organisms can live without oxygen of air.

(a) Amoeba
(b) Sheep
(c) Yeast
(d) Leech


Q9: Respiration is a process in which

(a) Energy is stored in the form of ADP
(b) Energy is used up
(c) Energy is released and stored in the form of ATP
(d) Energy is not released at all


Q10: The Oxygenated blood is carried from lungs to left auricle by

(a) vena cava
(b) pulmonary vein
(c) pulmonary artery
(d) aorta



Answers:

1: (c) Herbivores [Diet of herbivores is made of fibre and cellulose and is hard to digest. Therefore,  herbivores need a longer digestive track to digest this food.]
2: (c) small intestine
3: (b) Iron
4: (c) Mouth  or Buccal cavity
5: (a) excretion
6: (b) Liver
7: (d) emulsification
8: (c) Yeast
9: (c) Energy is released and stored in the form of ATP
10: (b) pulmonary vein