1) In Human beings the process of digestion of food begins in:
a)Stomach
b)Food Pipe
c)Mouth
d)Small Intestine
Answer: c
2) Which of the following organism have parasitic modes of nutrition?
a) Penicillium
b) Plasmodium
c) Paramecium
d) Parrot
Answer: b
3) Name the first enzyme that mixes with food in the digestive tract?
a) Pepsin
b) Trypsin
c) Amylase
d) None of the above
Answer: c
4) Which of the following statement is true about ionic compounds?
Ionic compounds conduct electricity when dissolved in water.
Ionic compounds are not soluble in water.
Ionic compounds are crystalline solids.
Correct options are:
a) Both 1 and 3
b) Both 1 and 2
c) Both 2 and 3
d) All three
Answer: a
5) The solution to one of the following compounds will conduct electricity. This compound is:
a) CCl4
b) HCl
c) CaCl2
d) CH3Cl
Answer: c
6) What is an ionic bond?
a) An ionic bond is formed by the sharing of electrons between two atoms.
b) It is a bond formed by the transfer of electrons from one atom to another.
c) Both A and B are correct
d) None of the above
Answer: b
7) Which mission of NASA brought the first human to moon?
a) Apollo program
b) Gemini Program
c) Mercury Program
d) None of the above
Answer: a
8) Name the first Spacecraft to visit the Solar System?
a) Pioneer 10 and Pioneer 11
b) Ranger 1 and Ranger 2
c) Surveyor 6 and Surveyor 7
d) Viking 1 and Viking 2
Answer: a
9) Which of the following in biology is the energy currency of cells?
a) PDP
b) DTP
c) ATP
d) ADP
Answer: c
10) In the stem of plant respiration and breathing takes place through:
a) Lenticels
b) Stomata
c) Root hair
d) Air tubes
Answer: a
11) Which animal has a three-chambered heart?
a) Pigeon
b) Lizard
c) Fish
d) Lion
Answer: b
12) Which of the following are electrovalent compounds?
a) Copper Sulphate
b) Calcium nitrate
c) Magnesium oxide
d) All of the above
Answer: d
13) What is the electronic configuration of calcium ion (Ca2+)
a) 2,8
b) 2,8,2
c) 2,8,4
d) 2,8,8
Answer: d
14) Name the ions present in Sodium Oxide compound?
a) Sodium ions
b) Oxide ions
c) Both A and B
d) Neither A nor B
Answer: c
15) Lunar Eclipse occurs:
a) When Sun is between Earth and Moon
b) When Earth is between Sun and Moon
c) When Moon is between Earth and Sun
d) When Earth is between Sun and other celestial bodies
Answer: b
16) Select the correct option matching together about Earth shadows:
Umbra – darker, central part
Penumbra – the outer part
Antumbra – partly shaded area beyond the umbra
Correct Options are:
a) Only 1 and 2
b) Only 2 and 3
c) Only 1
d) All 1, 2 and 3
Answer: d
17) What is the Solar Eclipse?
a) When the moon comes in between Earth and Sun
b) When Earth comes in between Moon and Sun
c) When Sun comes in between Earth and Moon
d) When Sun rays do not reach Earth.
Answer: a
18) Transportation of food in plants takes place through:
a) Xylem
b) Phloem
c) Companion cells
d) Tracheids
Answer: b
19) Which salt is used as a raw material for making a large number of useful chemicals in the industry?
a) Sodium Chloride
b) Ammonium Hydroxide
c) Ammonium Chloride
d) Sodium Nitrate
Answer: a
20) After wound or cut in a body, blood coagulates through:
a) WBC
b) RBC
c) Platelets
d) Plasma
Answer: c
21) Name the salt when on dissolving in water give an acidic solution?
a) Potassium Chloride
b) Ammonium Chloride
c) Sodium Carbonate
d) Sodium Acetate
Answer: b
22) When the same pattern of solar eclipse repeats every 18 years 11 days 8 hours are known as:
a) Nodes cycle
b) Saros cycle
c) Saras cycle
d) Payan cycle
Answer: b
23) Bleaching powder is formed by treating chlorine with.......
a) Calcium Hydroxide
b) Potassium Hydrogen carbonate
c) Magnesium Hydroxide
d) None of the above
Answer: a
24) What do you mean by Blood Moon?
a) It is a total solar eclipse.
b) It is partial lunar eclipse with a red glow
c) It is total lunar eclipse with the deep red glow
d) None of the above
Answer: c
25) When blood is forced into the artery, wave-like expansion takes place is called:
a) Heartbeat
b) Pulse
c) Flow
d) Ticking
Answer: b
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