Class 7 Transportation In Animals And Plants CBSE Questions & Answers

Class 7 · Transportation In Animals And Plants

This is Science Class 7 Transportation in Animals and Plants CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
When we sweat, it cools our body because
  • A
    Salts in sweat open the pores
  • B
    Water present in sweat cause cooling effect
  • C
    Sweating cause heat loss from body
  • D
    Heat of evaporation is obtained from body
    Correct
2
Blood does not transport oxygen in
  • A
    Frog
  • B
    Cockroach
  • C
    Earthworm
    Correct
  • D
    Man
3
Transport of water and minerals from roots to leaves through xylem vessels is called
  • A
    Evaporation
  • B
    Exudation
  • C
    Translocation
  • D
    Ascent of sap
    Correct
4
Removal of wastes and undigested food collectively called
  • A
    Circulation
  • B
    Defection (ans0
    Correct
  • C
    Transportation
  • D
    Excretion
5
The process that regulate the body’s salt and water concentration is called
  • A
    Osmoregulation
    Correct
  • B
    Sweating
  • C
    Egestion
  • D
    Ingestion
6
Nitrogenous wastes substances such as ammonia, urea or uric acid are produced during
  • A
    Fat metabolism
  • B
    Protein metabolism
    Correct
  • C
    Lipid metabolism
  • D
    Carbohydrate metabolism
7
The most toxic nitrogenous wastes produced inside our body is
  • A
    Urea
  • B
    Lactic acid
  • C
    Uric acid
  • D
    Ammonia
    Correct
8
Oxygenated blood is transported through
  • A
    Capillaries
  • B
    Vein
  • C
    Arteries
    Correct
  • D
    Pulmonary arteries
9
Where urea is synthesised in our body?
  • A
    Kidney
  • B
    Lung
  • C
    Heart
  • D
    Liver
    Correct
10
The fluid present between the tissues is called
  • A
    Extra cellular fluid
  • B
    Intracellular fluid
  • C
    Interstitial fluid
    Correct
  • D
    Tissue fluid
11
Blood is slightly
  • A
    Neutral
  • B
    Highly acidic
  • C
    Acidic
  • D
    Alkaline
    Correct
12
Hormones are secreted and released in blood by
  • A
    Inner gland
  • B
    Endocrine glands
    Correct
  • C
    Exocrine glands
  • D
    Pituitary gland
13
Erythrocytes is the another name of
  • A
    Platelets
  • B
    Thrombocytes
  • C
    White blood cells
  • D
    Red blood cells
    Correct
14
The pulse rate of a resting person is usually
  • A
    50 to 60 beats per minute
  • B
    72 to 80 beats per minute
    Correct
  • C
    30 to 40 beats per minute
  • D
    81 to 90 beats per minute
15
Life span of RBC is
  • A
    30 days
  • B
    120 days
    Correct
  • C
    60 days
  • D
    90 days