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July 25, 2026

Science and Environment Quiz: Day 125

March 26, 2023
Active transport involves
  • (A) Movement of molecules from lower to higher concentration
  • (B) Expenditure of energy
  • (C) It is an uphill task
  • (D) All of the above
Show Answer

Answer : D

A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by doctor for transfusion?
  • (A) O group
  • (B) AB group
  • (C) A or B group
  • (D) All blood group
Show Answer

Answer : A

Consider the following statement:
1. Initiation and stimulation of heartbeat take place by nerves.
2. All veins carry deoxygenated blood.
3. Humans have single circulatory system
Which of the above is/are incorrect
  • (A) Only 1
  • (B) Only 2 and 3
  • (C) Only 1 and 3
  • (D) All of these
Show Answer

Answer : D

Match the following
A. AB blood group 1.- Allergic condition
B. O blood group 2.- Inflammation
C. Eosinophil 3.- Absence of antigen
D. Neutrophils 4.- Absence of antibody
Choose the correct code:
  • (A) A-3, B-4, C-1, D-2
  • (B) A-3, B-4, C-2, D-1
  • (C) A-4, B-3, C-1, D-2
  • (D) A-4, B-3, C-2, D-1
Show Answer

Answer : C

In humans, which one among the following with reference to breathing is correct?
  • (A) During inhalation, diaphragm relaxes
  • (B) During exhalation, thorax cavity expands
  • (C) During inhalation, intra-pleural pressure becomes more negative
  • (D) Unlike inhalation, normal exhalation is an active process
Show Answer

Answer : C

What would happen if human blood becomes acidic (low pH)?
  • (A) Oxygen carrying capacity of haemoglobin is increased
  • (B) Oxygen carrying capacity of haemoglobin is decreased
  • (C) RBC count increases
  • (D) RBC count decreases
Show Answer

Answer : B

Blood does not coagulate inside the body due to the presence of
  • (A) Haemoglobin
  • (B) Heparin
  • (C) Fibrin
  • (D) Plasma
Show Answer

Answer : B

Which of the following statements is/are correct ?
1. Coronary artery supplies blood to heart muscles.
2. Pulmonary vein supplies blood to lungs.
3. Hepatic artery supplies blood to kidneys.
4. Renal artery supplies blood to kidneys.
Select the correct answer using the code given below:
  • (A) 1, 2 and 3
  • (B) 1 and 4 only
  • (C) 2 and 4
  • (D) 1, 3 and 4
Show Answer

Answer : B

Which one of the following statements about lymph is correct?
  • (A) Lymph is formed due to leakage of blood through capillaries.
  • (B) Lymph contains blood cells such as RBC.
  • (C) Lymph is also circulated by the blood circulating heart.
  • (D) Lymph only transports hormones.
Show Answer

Answer : C

Which one of the following shows correct composition of blood
  • (A) Plasma - Blood + Lymphocyte
  • (B) Serum - Blood + Fibrinogen
  • (C) Lymph - Plasma + RBC + WBC
  • (D) Blood - Plasma + RBC+ WBC +Platelets
Show Answer

Answer : D

Through which of the following ways formation of Acid Rain can be minimized?
1. By reducing the emission of both sulphur dioxide and nitrogen dioxide in the atmosphere.
2. By avoiding the use of Catalytic converters in cars.
Which of the statements given above is/are correct?
  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
Show Answer

Answer : A

A genetically engineered form of brinjal, known as the Bt- brinjal, has been developed. The objective of this is ?
  • (A) To make it pest-resistant.
  • (B) To improve its taste and nutritive qualities
  • (C) To make it drought-resistant
  • (D) To make its shelf-life longer.
Show Answer

Answer: A

Which among the following are used in cloud seeding.
1. Dry ice
2. Potassium iodide
3. Silver iodide
4. Pure salt crystals
Code:
  • (A) 1, 2 and 3
  • (B) 2,3 and 4
  • (C) 1, 3 and 4
  • (D) All of the above
Show Answer

Answer 😀

Under National Air Quality Monitoring Programme (NAMP) which among the following are monitored.
1. Sulphur dioxide
2. Oxides of nitrogen as NO2
3. Suspended particulate matter
4. Respirable Suspended Particulate Matter (RSPM / PM10)
Code
  • (A) 1, 2 and 3
  • (B) 2, 3 and 4
  • (C) 1 and 4
  • (D) All of the above
Show Answer

Answer : D

Kigali amendment is related to which of the following?
  • (A) Montreal Protocol
  • (B) Rotterdam Convention
  • (C) Basel Convention
  • (D) Stockholm Convention
Show Answer

Answer : A

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