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Test: Introduction To Respiration


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15 Questions MCQ Test Additional Documents & Tests for Class 10 | Test: Introduction To Respiration

Test: Introduction To Respiration for Class 10 2023 is part of Additional Documents & Tests for Class 10 preparation. The Test: Introduction To Respiration questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Introduction To Respiration MCQs are made for Class 10 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Introduction To Respiration below.
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Test: Introduction To Respiration - Question 1

In which group of the organisms listed below, food material is broken down outside the body and absorbed ?​

Detailed Solution for Test: Introduction To Respiration - Question 1

This is because these are sphrophytic organisms which breakdown food into simpler form outside their body.

Test: Introduction To Respiration - Question 2

The opening and closing of the stomatal pore depends upon 

Detailed Solution for Test: Introduction To Respiration - Question 2

Stomata are the tiny pores present at the leaf surface. Each stomatal pore is surrounded by two guard cells that assist in stomatal opening driven by turgidity of guard cells. When water flows in guard cells from epidermal cells, guard cells become turgid and stomata are opened. Removal of water from guard cells makes them flaccid and stomata are closed.

Test: Introduction To Respiration - Question 3

Movement of food through the oesophagus is due to :

Detailed Solution for Test: Introduction To Respiration - Question 3

Peristalsis is the rythmic contraction and relaxation of muscles of alimentary canal that propels the food in downward direction.

Test: Introduction To Respiration - Question 4

Oxygen liberated during photosynthesis comes from

Detailed Solution for Test: Introduction To Respiration - Question 4

Oxygen liberated during photosynthesis comes from split water molecules. During photosynthesis, plants absorb water and carbon dioxide. After the absorption the wate,r molecules are disassembled and convert into sugar and oxygen.

Test: Introduction To Respiration - Question 5

Oxygen released during photosynthesis is derived from

Detailed Solution for Test: Introduction To Respiration - Question 5

water

Test: Introduction To Respiration - Question 6

The filtration units of kidneys are called

Detailed Solution for Test: Introduction To Respiration - Question 6

Each of your kidneys is made up of about a million filtering units called nephrons. Each nephron includes a filter, called the glomerulus, and a tubule.

Test: Introduction To Respiration - Question 7

The common step between aerobic and anaerobic respiration takes place in :

Detailed Solution for Test: Introduction To Respiration - Question 7

The first step of aerobic respiration as well as anaerobic respiration is same and takes place in the cytoplasm of cells.

Test: Introduction To Respiration - Question 8

When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of

Detailed Solution for Test: Introduction To Respiration - Question 8

The lime water on reaction with exhaled CO2 forms calcium hydroxide or slaked lime which is milky in color.

Test: Introduction To Respiration - Question 9

Which is the first enzyme to mix with food in digestive tract ?

Detailed Solution for Test: Introduction To Respiration - Question 9

Salivary amylase, present in saliva, is the first digestive enzyme that gets mixed with food in oral cavity during the process of mastication and bolus formation.

Test: Introduction To Respiration - Question 10

Which part of alimentary canal receives bile from the liver ?

Detailed Solution for Test: Introduction To Respiration - Question 10

Small intestine receives bile from the liver, which is normally stored in the fall bladder. It performs two functions ie., makes the food alkaline and break the fats present in food into small glodules by the process of emulsification.

Test: Introduction To Respiration - Question 11

In which part of human digestive tract does common bile duct open?

Detailed Solution for Test: Introduction To Respiration - Question 11

Duodenum is first part of small intestine where common bile duct opens.

Test: Introduction To Respiration - Question 12

Which of the following statements is not correct?

Detailed Solution for Test: Introduction To Respiration - Question 12

Nephridia are segmentally arranged excretory organs present in earthworms. On the basis of their location, three types of nephridia are found in earthworms. 

Test: Introduction To Respiration - Question 13

Which of the following protects inner lining of stomach from hydrochloric acid secreted by gastric glands ?

Detailed Solution for Test: Introduction To Respiration - Question 13

Mucus is secreted by cells of gastric gland which forms a slimy layer over inner wall of stomach.

Test: Introduction To Respiration - Question 14

Blood pressure is measured by an instrument called

Detailed Solution for Test: Introduction To Respiration - Question 14

Sphygmomanometer is the instrument used to measure the blood pressure. It is also known as blood pressure meter.

Test: Introduction To Respiration - Question 15

When few drops of iodine were poured on a potato slice, the potato turned blue-black in colour. This indicates that potato contains

Detailed Solution for Test: Introduction To Respiration - Question 15

Starch test is done by iodine solution which turns colour of starch to blue-black.

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