Daily Updates Mock Test 134

50 Questions | By Ntpc3 | Last updated: Mar 20, 2022 | Total Attempts: 219

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MOCK TEST 134 SYLLABUS : GENERAL SCIENCE TIME : 20 MINUTES FULL MARKS : 50*3 =150 EACH QUESTION CARRIES 3 MARKS , -VE MARKING = - 1 / WRONG ANSWERS SUBMIT YOUR ORIGINAL FULL NAME OTHERWISE YOUR NAME WILL NOT BE CONSIDERED FOR THE MERIT LIST OUR FACEBOOK GROUP : DAILY UPDATES CLICK HERE TO JOIN OUR FACEBOOK PAGE : STUDY MATERIALS FOR ALL CLICK HERE TO FOLLOW OUR TELEGRAM CHANNEL LINK : STUDY MATERIALS FOR ALL CLICK HERE TO FOLLOW মোক টেস্ট দিয়ে কেমন লাগলো কমেন্টে জানাবেন

Questions and Answers

1.

The maximum loss of water in transpiration is from—
- A.
  
  Cuticle
- B.
  
  Stomata
- C.
  
  Hydothodes
- D.
  
  Lenticles
2.

Transpiration differ from evaporation in—
- A.
  
  Frequency of water loss
- B.
  
  Transpiration is physical process while evaporation is a physiological process.
- C.
  
  Transpiration is physiological process while evaporation is a physical process.
- D.
  
  Rate of water loss
3.

Maximum transpiration occur in
- A.
  
  Xerophytic plants
- B.
  
  Mesophytic plants
- C.
  
  Algal cells
- D.
  
  Hydrophytic plants
4.

In plant process of transpiration occur through—
- A.
  
  Root
- B.
  
  Stem
- C.
  
  Leaves
- D.
  
  All the aerial part of plant
5.

Plant cooling occurs due to which of the following?
- A.
  
  Guttation
- B.
  
  Hydrolysis
- C.
  
  Transpiration
- D.
  
  Excretion
6.

Transpiration is regulated by movement of which of the following?
- A.
  
  Subsidiary cell
- B.
  
  Guard cell
- C.
  
  Mesophyll cell
- D.
  
  Epidermal cell
7.

Which instrument is used for measuring the rate of transpiration?
- A.
  
  Psychrometer
- B.
  
  Potometer
- C.
  
  Hygrometer
- D.
  
  Porometer
8.

In which of the following condition the rate of transpiration increases?
- A.
  
  High humidity
- B.
  
  Low velocity of wind
- C.
  
  Excess amount of water in soil
- D.
  
  Low humidity and high temperature
9.

Two main function of leaves are—
- A.
  
  Respiration and digestion
- B.
  
  Photosynthesis and respiration
- C.
  
  Photosynthesis and transpiration
- D.
  
  Transpiration and respiration
10.

Transpiration is high under—
- A.
  
  High temperature
- B.
  
  Dry environment
- C.
  
  Low atmospheric pressure
- D.
  
  All of the above
11.

Urea is converted into ammonia and carbon dioxide by the enzyme-
- A.
  
  Diastase
- B.
  
  Urease
- C.
  
  Lipase
- D.
  
  Amylase
12.

Penicillin is isolated from:
- A.
  
  Fungi
- B.
  
  Algae
- C.
  
  Virus
- D.
  
  Bacteria
13.

The source of oxygen produced during photosynthesis is
- A.
  
  carbon dioxide
- B.
  
  water
- C.
  
  The air
- D.
  
  glucose
14.

A detergent is a-
- A.
  
  Cleansing agent
- B.
  
  Drug
- C.
  
  Catalyst
- D.
  
  Soap
15.

Cells produce ATP most efficiently in the presence of
- A.
  
  Water
- B.
  
  carbon dioxide
- C.
  
  oxygen
- D.
  
  glucose
16.

In the hydrogenation of oil-
- A.
  
  Ni acts as a promoter
- B.
  
  Cu acts as a catalyst
- C.
  
  Tellurium acts as a promoter
- D.
  
  Ni acts as a catalyst
17.

The process by which vegetable ghee is manufactured is known as-
- A.
  
  Saponification
- B.
  
  Hydrogenation
- C.
  
  Esterification
- D.
  
  Hydrolysis
18.

Soft soaps are-
- A.
  
  Sodium salt
- B.
  
  Calcium salt
- C.
  
  Magnesium salt
- D.
  
  Potassium salt
19.

Bees wax is
- A.
  
  Myricyl palmitate
- B.
  
  Myricyl stearate
- C.
  
  Myricyl oleate
- D.
  
  Mixture of higher hydrocarbon
20.

Light energy is converted to chemical energy through the process of
- A.
  
  Respiration
- B.
  
  Fermentation
- C.
  
  Photosynthesis
- D.
  
  glycolysis
21.

At room temperature, formaldehyde is
- A.
  
  A solid
- B.
  
  A gas
- C.
  
  A liquid
- D.
  
  Not known
22.

Fat can be separated from milk in a cream separator because of:
- A.
  
  Centripetal force
- B.
  
  Cohesive force
- C.
  
  Gravitational force
- D.
  
  Centrifugal force
23.

The coagulation of protein is called
- A.
  
  Denaturing
- B.
  
  Deamination
- C.
  
  Dehydration
- D.
  
  Decay
24.

End of detergent have-
- A.
  
  Ester group
- B.
  
  Aldehyde
- C.
  
  Amine group
- D.
  
  Sodium sulphate
25.

Soaps can be classified as-
- A.
  
  Carbohydrates
- B.
  
  Ethers
- C.
  
  Salt of fatty acids
- D.
  
  None of these