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
Sweat contain
  • A
    Lymph and water
  • B
    Salt and water
    Correct
  • C
    Sugar and water
  • D
    Salt and plasma
2
Excretion is a continuous process but urine is not passed out continuously because of
  • A
    Rectum
  • B
    Urinary bladder
    Correct
  • C
    Kidney
  • D
    Ureter
3
Birds and insects excrete
  • A
    Ammonia
  • B
    Urea
  • C
    Citric acid
  • D
    Uric acid
    Correct
4
Why it is necessary to excrete?
  • A
    Because nitrogenous wastes are useless
  • B
    Because nitrogenous wastes are toxic
    Correct
  • C
    Because nitrogenous wastes are colourless
  • D
    Because nitrogenous wastes are heavy
5
Xylem and phloem tissues are together called
  • A
    Epidermal tissue
  • B
    Transport tissue
  • C
    Vascular tissue
    Correct
  • D
    Excretory tissue
6
Excretory organ of insects are called
  • A
    Nephridium
    Correct
  • B
    Skin
  • C
    Kidney
  • D
    Malpagian tubules
7
Amoeba excretes by the process of
  • A
    Food vacuole
  • B
    Osmoregulation
  • C
    Binary fission
  • D
    Simple diffusion
    Correct
8
Which of the following organism excretes using tentacles?
  • A
    Insects
  • B
    Amoeba
  • C
    Hydra
    Correct
  • D
    Grasshopper
9
Human beings sweats to
  • A
    Make us uncomfortable
  • B
    Remove nitrogenous wastes
  • C
    Clean the skin
  • D
    Maintain body temperature
    Correct
10
Movement of water molecules from high concentration to low concentration is called
  • A
    Osmoregulation
  • B
    Osmosis
    Correct
  • C
    Transpiration
  • D
    Diffusion
11
Urinary system of human beings consists of
  • A
    A pair of kidney, a pair of Ureter and a urinary bladder
    Correct
  • B
    A pair of kidney, a Ureter and a urinary bladder
  • C
    A kidney, a pair of Ureter and a urinary bladder
  • D
    A pair of kidney, a pair of Ureter and a pair urinary bladder
12
The chamber of human heart, which has thickest wall
  • A
    Right auricle
  • B
    Right ventricle
  • C
    Left auricle
  • D
    Left ventricle
    Correct
13
The excess of water absorbed plants by their roots gets evaporated through the process of
  • A
    Transpiration
    Correct
  • B
    Absorption
  • C
    Elimination
  • D
    Excretion
14
Which of the following is termed as the ‘Grave yard’ of RBC?
  • A
    Kidney
  • B
    Spleen
    Correct
  • C
    Bone marrow
  • D
    Liver
15
ECG is abbreviated form of
  • A
    Eliminated cell ground
  • B
    Electrical circuit group
  • C
    Electrocardiography
    Correct
  • D
    Electron cardiac graph