General Science - Biology MCQs
91. Nephron is related to which of the following system of human body?
[A] Excretory System
[B] Circulatory system
[C] Reproductive System
[D] Respiratory system
Show Answer
Correct Answer: A [Excretory System]
Notes:
Excretory system consists of specialized structures and capillary networks that assist in the excretory process. The human excretory system includes the kidneys and their functional unit, the nephron.
92. Cinnamon is obtained from which part of the plant?
[A] Fruits
[B] Stem
[C] Bark
[D] Roots
Show Answer
Correct Answer: C [Bark]
Notes:
Cinnamon is a spice obtained from the inner bark of several tree species from the genus Cinnamomum. The term “cinnamon” also is used to describe its mid-brown colour.
93. Alveoli is related to which of the following system of human body?
[A] Excretory system
[B] Respiratory system
[C] Circulatory system
[D] Reproductive system
Show Answer
Correct Answer: B [Respiratory system]
Notes:
A pulmonary alveolus is a hollow cavity found in the lung parenchyma, and is the basic unit of ventilation. Lung alveoli are the ends of the respiratory tree.
94. Albert Sabin is known for developing which of the following?
[A] Smallpox vaccine
[B] penicillin
[C] Polio vaccine
[D] hepatitis B vaccine
Show Answer
Correct Answer: C [Polio vaccine]
Notes:
Albert Bruce Sabin was a Polish American medical researcher, best known for developing the oral polio vaccine, which has played a key role in nearly eradicating the disease.
95. Which of the following can be checked by doctors with the help of Pulse reading?
[A] Temperature
[B] Heart beat
[C] Blood pressure
[D] Respiration rate
Show Answer
Correct Answer: B [Heart beat]
Notes:
Pulse rate is the number of heart beats per minute. The resting pulse rate for an average adult is between 60 and 80 beats per minute. It can go up to 130–150 beats per minute when you’re exercising because the body needs more oxygen. The study of the pulse is known as sphygmology.
96. Which of the following situations created by trees makes them unsuitable to sleep under at night?
[A] Release of oxygen in lesser amount
[B] Release of oxygen in larger amount
[C] Release of carbon monoxide
[D] Release of carbon dioxide
Show Answer
Correct Answer: D [Release of carbon dioxide]
Notes:
The plants leave carbon dioxide at night. On the basis of this it is that in the night if you sleep under the tree, you will not get oxygen, which can cause breathing problem, suffocation etc. Also in the night there is no photosynthesis due to the absence of sunlight but respiration goes on in the plant cells. Therefore there is lot of carbon dioxide and less of oxygen around the tree in the night.
97. Stripes can be seen over the body of many animals. Which of the following indication is given by the stripes?
[A] Mating habit
[B] Food habit
[C] Cave dwelling
[D] Matching of skin colour with surroundings
Show Answer
Correct Answer: D [Matching of skin colour with surroundings]
Notes:
Some animals have stripes on their back because of the Camouflage Effect. Camouflage effect refers to combination of different colours or materials in order to make animals or objects hard to see or to disguise oneself in the surrounding. Striped Animals can easily hunt other animals by disguising themselves in the surrounding and making it hard for other animals to see.
98. The Finance Ministry has allowed 5 states to borrow Rs 9,913 crore based on their implementation of which scheme?
[A] Swachh Bharat Mission
[B] One Nation One Ration Card
[C] AMRUT
[D] Smart Cities Mission
Show Answer
Correct Answer: B [One Nation One Ration Card]
Notes:
The Finance ministry has recently permitted five states to borrow an additional Rs 9,913 crore on aggregate through open market borrowings (OMBs).
This permission has been permitted based on their implementation of reforms relating to the One Nation One Ration Card system. The 5 states were Andhra Pradesh, Telangana, Karnataka, Goa and Tripura.
99. The tourism campaign of which state has won the prestigious PATA Grand award 2020?
[A] Tamil Nadu
[B] Kerala
[C] Gujarat
[D] Punjab
Show Answer
Correct Answer: B [Kerala]
Notes:
The globally acclaimed campaign of Kerala Tourism, ‘Human by Nature’ has bagged the prestigious PATA Grand Award 2020 for Marketing.
This year’s awards honoured the achievements of three Grand title winners and 21 Gold awards. Kerala bagged one among the three Grand title winners and the awards were announced during a virtual presentation ceremony in Beijing.
100. When is the World Pharmacists Day celebrated every year?
[A] September 30
[B] September 28
[C] September 25
[D] September 24
Show Answer
Correct Answer: C [September 25]
Notes:
Every year, the World Pharmacists Day is celebrated on September 25. This day is observed by International Pharmaceutical Federation (FIP) and the decision to observe this date was made during the council meet of FIP in 2009 at Istanbul.
The aim of this day is to encourage activities that promote the role of the pharmacist in improving health. The theme for this year is “Transforming global health”.
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