Class 10 Life Processes CBSE Questions & Answers

Class 10 · Life Processes

This is online test 02 for CBSE class 10 Science Life Processes.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following element is essential for the formation of protein
  • A
    Ca
  • B
    Na
  • C
    N
    Correct
  • D
    Fe
2
Factor not affecting photosynthesis is
  • A
    Light intensity
  • B
    Temperature
  • C
    Wind velocity
    Correct
  • D
    Carbon dioxide concentration in air
3
Which component of blood transports, carbon dioxide and nitrogenous wastes in dissolved form
  • A
    WBC
  • B
    RBC
  • C
    Platelets
  • D
    Plasma
    Correct
4
Which contains less nitrogenous waste ?
  • A
    renal vein
    Correct
  • B
    renal artery
  • C
    Pulmonary artery
  • D
    Pulmonary vein
5
Name the organ involved in the process of ingestion in the case of Amoeba
  • A
    Tentacles
  • B
    None of these
  • C
    Pseudopodia
    Correct
  • D
    Tongue
6
Ayush’s blood group is ‘A’ lshoo’s blood group is ‘O’ and Riya’s blood group is ‘AB’ Riya can receive blood from whom?
  • A
    lshoo
  • B
    Ayush
  • C
    Neither Ayush nor lshoo
  • D
    Both Ayush and lshoo
    Correct
7
Enzyme thromboplastin converts-
  • A
    Fibrinogen to fibrin
  • B
    Thrombin to prothrombin
  • C
    Thrombin to fibrinogen
  • D
    Prothrombin to thrombin
    Correct
8
Parotid, submaxillary and sublingual are
  • A
    salivary gland
    Correct
  • B
    Gastric gland
  • C
    digestive gland
  • D
    Pancreatic gland
9
The specific function of light energy in the process of photosynthesis is
  • A
    breaking of \({\rm{C}}{{\rm{O}}_{\rm{2}}}\) into carbon and oxygen
  • B
    All of these
  • C
    breaking of \({{\rm{H}}_{\rm{2}}}{\rm{O}}\) into Hydrogen and oxygen
    Correct
  • D
    to activate chlorophyll
10
Name a body part where anaerobic respiration takes place
  • A
    Protoplasm
  • B
    Chloroplast
  • C
    cytoplasm
    Correct
  • D
    Mitochondria
11
Statement A : Fish taken out of water die although there is more oxygen in the atmosphere , Statement B : There is no respiratory pigment in the blood of insects
  • A
    Both the statement A and B are true
    Correct
  • B
    statement B is true, A is false
  • C
    statement A is true, B is false
  • D
    Neither statement A nor statement B is true
12
Kreb’s cycle is a part of-
  • A
    Glycoysis
  • B
    Anaerobic respiration
  • C
    Aerobic respiration
    Correct
  • D
    Fermentation
13
Which part of kidney act as dialysis bag?
  • A
    Bowmans capsule
  • B
    loop of tlenle
  • C
    distal tubules
  • D
    Glomerulus
    Correct
14
Name a plant which does not have a transport system
  • A
    chlamydomonas
    Correct
  • B
    Banyan tree
  • C
    Mango tree
  • D
    banana tree
15
Cuscuta, orchids are examples of
  • A
    Autotrophic plant
  • B
    Parasitic plant
    Correct
  • C
    Saprophytic plant
  • D
    All of these.