Science(Biology) Questions For CTET Exam 2019: 15th April 2019

Today, we are providing you the Science (Biology) which help you to command over this subjects.Taught many interesting science information and add some fun in a science teaching learning process.This section is not only important for TET 2019 Exam i.e UPTET, PTET, REET,HTET etc. So, we will provide you the questions which will help you in preparing for Exam.

Q1. Read the statements given below regarding the digestive system and select incorrect option.
(a) Oesophagus, the food pipe passes through the neck, thoracic cavity and diaphragm and opens into stomach
(b) Stomach is the widest part of the alimentary canal secretes amylase and bile
(c) Large intestine is larger in length and is the end of the alimentary canal
(d) Pancreas is the largest gland of human digestive system

Q2. Identify the correct statements from those given below.
I. Digestion of starch initiates in the stomach.
II. Tongue helps in mixing of saliva with food.
III. Liver, smallest organ of our body secretes bile.
IV. The ruminants can digest raw grass due to the presence of cellulase enzyme in their digestive tract.
The correct options are
(a) I, II and III
(b) II, III and IV
(c) I, III and IV
(d) II and IV

Q4. Match the following columns.
Column I Column II
A. Salivary amylase  I. Proteins
B. Renin II. Lipids
C. Bile III. Starch
D. Pepsin  IV. Milk protein
(a)  I II III IV
(b)  III IV II I
(c)  IV III I II
(d)  IV III II I

Q5. Identify the incorrectly matched option.
(a) Absorption of food–Large intestine
(b) Killing of bacteria–Stomach
(c) Complete digestion of food–Small intestine
(d) Formation of faeces–Large intestine

Q6. Match the following columns.
Column A Column B
A. Cockroach  I. Gills
B. Earthworms II. Stomata
C. Plants III. Skin
D. Fishes  IV. Spriracles
(a)  I II III IV
(b)  IV III II I
(c)  III II IV I
(d)  I IV III II

Q7. Identify the false statements regarding respiration.
I. During heavy exercise, the breathing rate slows down.
II. Plants perform photosynthesis only during day and respiration at night only.
III. Frogs can breathe through their skins as well as lungs.
IV. The chest cavity size increases during inhalation.
(a) I, II and III
(b) I and II
(c) II and IV
(d) All of the above

Q8. The mountaineers need to carry oxygen cylinders, while climbing.
This is because with them
(a) No air is present at an altitude more than sea level
(b) The amount of air available to a person for breathing is less than that available at ground level
(c) The temperature of air is much higher than that  on ground level
(d) The pressure is extensively lower than hat on the ground  level

Q9. Breathing involves the movement of the diaphragm and the ribcage.
The correct movement during breathing is indicated by
I. Inhalation–up and outward movement of ribs and diaphragm moves downwards.
II. Inhalation–downward movement of ribs, while diaphragm moves upwards.
III. Exhalation–down and inward movement of ribs, while diaphragm moves back.
IV. Exhalation–down and inward movement of ribs and diaphragm goes downward.
(a) I and III
(b) II and IV
(c) All of these
(d) None of these

Q10. The correct percentage of oxygen and carbon dioxide in inhaled air is
(a) Oxygen–16.4%, Carbon dioxide–4.4%
(b) Oxygen–21%, Carbon dioxide-4.4%
(c) Oxygen–16.4%, Carbon dioxide– 0.04%
(d) Oxygen–21%, Carbon dioxide– 0.04%

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