March 28, 2024
Which of the following parts of our body help us in movement?
(i) Bones
(ii) Skin
(iii) Muscles
(iv) Organs
Choose the correct answer from the options below.
  • (A) (i) and (iii)
  • (B) (ii) and (iv)
  • (C) (i) and (iv)
  • (D) (iii) and (ii)
__________ joints are immovable.
  • (A) Shoulder and arm
  • (B) Knee and joint
  • (C) Upper jaw and skull
  • (D) Lower jaw and upper jaw
Which one of the following categories of vertebrae are correctly numbered?
  • (A) Cervical-7
  • (B) Thoracic-10
  • (C) Lumbar - 4
  • (D) Sacral – 4
Which one of the following organisms lack muscles and skeleton for movement?
  • (A) Dog
  • (B) Snail
  • (C) Earthworm
  • (D) Human being
Which is the largest bone in the human body?
  • (A) Femur
  • (B) Stapes
  • (C) Humerus
  • (D) Ulna
Which is the Smallest bone in the human body?
  • (A) Femur
  • (B) Stapes
  • (C) Humerus
  • (D) Ulna
Which one of these is responsible for Muscle contraction
  • (A) Myosin
  • (B) Actin
  • (C) Both a and b
  • (D) None of these
Which one of these is connects bones with muscles
  • (A) Ligament
  • (B) Tendon
  • (C) Both a and b
  • (D) None of these
The muscles of Triceps and Biceps
  • (A) Skeletal muscle
  • (B) Smooth muscle
  • (C) Cardiac muscles
  • (D) None of these
Which one of these help in muscle contraction
  • (A) Calcium
  • (B) Sodium
  • (C) Iron
  • (D) None of these
Which among the following can be the outcomes of eutrophication?
1. Algal Bloom
2. Depletion of coral reefs
3. Formation of swamps
Select the correct answer using the code given below.
  • (A) 1 and 3 only
  • (B) 1 only
  • (C) 2 and 3 only
  • (D) 1, 2 and 3
Which of the following are the characteristics of ecological succession ?
1) Increased productivity
2) The shift of nutrients from the reservoirs,
3) Increased diversity of organisms,
4) A gradual increase in the complexity of food webs.
Select the correct code given below :
  • (A) 1, 3 and 4 only
  • (B) 1, 2, 3 and 4 only
  • (C) 1, 2 and 3 only
  • (D) 2, 3 and 4 only
Which of the following statement are CORRECT regarding Chlorofluorocarbons (CFCs)?
1. They are used as refrigerants, propellants in aerosol sprays, foaming agents in plastic manufacturing.
2. They are corrosiveness, higher toxic and chemical stable.
3 CFCs can be eliminated from the atmosphere by the usual scavenging processes like photodissociation, rain-out and oxidation.
Select the correct code:
  • (A) 1 only
  • (B) 2 and 3 only
  • (C) 1 and 2 only
  • (D) All of the above
Which of the following statements about Ecology are correct?
1. It is the scientific study of relationship of living organism with their environment.
2. Study of energy flow and mineral recycling are integral to ecological studies.
Select the correct code:
  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
Which of the following statements are true?
1. Population is a group of organisms usually of same species occupying a defined area during specific time.
2. Limiting factor for growth of population are biotic and abiotic components both.
3. Communities in most instances are named after the dominant plant form.
Select the correct code:
  • (A) 2 and 3 only
  • (B) 3 only
  • (C) 1 and 2 only
  • (D) All of the above

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