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Test: Biology - 3 - Bank Exams MCQ


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20 Questions MCQ Test - Test: Biology - 3

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Test: Biology - 3 - Question 1

In coriander, the useful parts are -

Detailed Solution for Test: Biology - 3 - Question 1

The Correct answer is Leaves & dried fruits.

  • As its name suggests the coriander seeds are dried fruits and leaves
  • Coriander is the common name of Coriandrum sativum.
  • Coriander is a heavily consumed herb plant.
  • Herbs generally refer to the leafy green.
  • Herbs are plants with savory or aromatic properties.
  • They are used for flavoring and garnishing food, for
    medicinal purposes, or for fragrances.
Test: Biology - 3 - Question 2

Which plant is called 'Herbal Indian Doctor'?  

Detailed Solution for Test: Biology - 3 - Question 2

The Indian gooseberry, or aamla from Sanskrit amalika, is a deciduous tree of the family Phyllanthaceae. It is known for its edible fruit of the same name. Although these fruits are reputed to contain high amounts of ascorbic acid (vitamin C), 445 mg/1-00g, the specific contents are disputed, and the overall antioxidant strength of amla may derive instead from its high density of ellagitannins such as emblicanin A (37%), emblicanin B (33%), punigluconin (12%) and pedunculagin (14%). 

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Test: Biology - 3 - Question 3

Which one of the following is a modified stem?

Detailed Solution for Test: Biology - 3 - Question 3

The correct answer is Potato.

Key Points

  • In potato, the underground portion is a modified stem in that it stores reserve food and has all characters of stem i.e. roots and shoots appear from it and it has buds (eyes) also.
  • Potato is a tuber (that part carry out photosynthesis- the green color part seen in young potato).
  • It is called a modified stem as it has scaly leaves, nodes, internodes, and adventitious roots, characteristic to stems.
  • Potato tuber bears buds in small pits known as eyes.
  • Buds develop to branches.
  • Some of the branches become green, erect, and leafy stems that grow horizontally underground.
Test: Biology - 3 - Question 4

Which one of the following is not a function of the liver?

Detailed Solution for Test: Biology - 3 - Question 4

Concept:

  • The liver is the largest gland of the Human body.
  • It is also the largest internal organ of the Human body.
  • The liver is the most extensive organ in the human body and human adults can weigh up to 1.5-1.6 kg.
  • The liver performs a multitude of functions in our body and in a single human or artificial organ or system it is difficult to reproduce so many functions.
  • Some of the critical functions of the liver include secretion of bile juices for lipid & vitamin decomposition, preparation of blood plasma proteins that enable blood clotting, and also detoxification.

Key Points:

The liver performs several functions. One of these functions is glycogenesis.

  • The main centre of carbohydrate metabolism in the liver.
  • Glycogenesis is the conversion and storage of an extra amount of glucose into glycogen from the digested food is called glycogenesis.
  • The main stored food in the liver is glycogen.

Explanation:

  • Regulation of blood sugar - Done by the liver.
  • Enzyme activation - Done by the liver.
  • Detoxification - Done by the liver.
  • Reproduction - Does not do by the liver.
Test: Biology - 3 - Question 5

If the radius of blood vessels of a person decreases his/her blood pressure will

Detailed Solution for Test: Biology - 3 - Question 5

An obese person has a greatly increased number of blood vessels because of the amount of adipose tissue that must be serviced. As a result, the total length of his or her vascular tree is greatly increased and this person tends to have a higher blood pressure because of the greater resistance to blood flow. Resistance is inversely proportional to the fourth power of the radius of the blood vessel. In other words, the smaller the diameter of the vessel, the greater the resistance it offers to blood flow.

Test: Biology - 3 - Question 6

Bee Keeping is known as -

Detailed Solution for Test: Biology - 3 - Question 6

Beekeeping (or apiculture, from Latin apis, bee) is the maintenance of honey bee colonies, commonly in hives, by humans. A beekeeper (or apiarist) keeps bees in order to collect honey and other products of the hive (including beeswax, propolis, pollen, and royal jelly), to pollinate crops, or to produce bees for sale to other beekeepers. A location where bees are kept is called an apiary or "bee yard". 

Test: Biology - 3 - Question 7

In the human body, Cowper's glands form a part of which one of the following system?

Detailed Solution for Test: Biology - 3 - Question 7

Cowper’s glands are part of the reproductive system. The secretions produced by the Cowper's glands help to protect sperm as it passes through the urethra during ejaculation. In response to sexual stimulation prior to ejaculation, the Cowper's glands begin producing an alkaline mucous secretion known as pre - ejaculate.

Test: Biology - 3 - Question 8

Name the tiny pores present on the surface of leaves in plants.

Detailed Solution for Test: Biology - 3 - Question 8

Stomata:

  • Stomata are small pores present in the epidermis of leaves, stems and other plant parts.
  • The stomata are surrounded by two guard cells.
  • This allows gases such as carbon dioxide, water vapor and oxygen to diffuse into and out of the plant's internal tissues.
  • It occurs mostly in vascular plants.
  • The inner wall of the guard cell is thicker than the outer wall.​
Test: Biology - 3 - Question 9

What is the full form of DNA?

Detailed Solution for Test: Biology - 3 - Question 9

DNA stands for Deoxyribo nucleic acid. It is a nucleic acid that carries the genetic instructions used in the growth development, functioning and reproduction of all known living organisms and many viruses.

Test: Biology - 3 - Question 10

Which of the following is not an antibiotics?

Detailed Solution for Test: Biology - 3 - Question 10

Aspirin is used to reduce fever and relieve mild to moderate pain from conditions such as muscle aches, toothaches, common cold, and headaches. It may also be used to reduce pain and swelling in conditions such as arthritis.

Test: Biology - 3 - Question 11

Scientific study of birds is known as -

Detailed Solution for Test: Biology - 3 - Question 11

The correct answer is Orinthology.

Key Points

  • The word Ornithology comes from two Greek words-'Ornis' (Birds) and 'logos' (theory).
  • It deals with the scientific study of all aspects of birds like body shape, appearance, habitat, migration pattern, mating behaviour, warning predators, flock movement, voice, ability to mimic, etc.
  • A person who studies birds is known as an Ornithologist.

Important Points

  • Gerontology is known as the study of old age.
  • Pomology is the branch of science that involves the study of Fruits.
  • Ichthyology is the branch of zoology which deals with the study of fish, including bony fish, cartilaginous fish, and jawless fish.

Additional Information

  • Conservation of Migratory Species (CMS) or the Bonn Convention is the only global convention that provides a platform for the conservation of migratory species, their habitat, migration routes, etc.
  • India became a signatory to the Bonn Convention for the conservation of migratory species in 1983.
  • The 13th COP (Conference of Parties) of CMS was hosted by India in February 2020 at Gandhinagar (Gujarat).
  • The Theme of CMS COP 13 was "Migratory species connect the planet and we welcome them home".
  • The COP 13 logo was inspired by 'Kolam' which is a traditional art form of South India.
  • Gibi- The Great Indian Bustard' was the mascot for CMS COP 13.
  • The Great Indian Bustard is a critically endangered species under the Wildlife Protection Act 1972.
Test: Biology - 3 - Question 12

Which one of the following is a nonpoisonous snake‘? :

Detailed Solution for Test: Biology - 3 - Question 12

Pythonidae, commonly known simply as pythons, from the Greek word python, is a family of nonvenomous snakes found in Africa, Asia and Australia. Among its members are some of the largest snakes in the world. Pythons are found in sub-Saharan Africa, Nepal, India, Burma, southern China, Southeast Asia and from the Philippines southeast through Indonesia to New Guinea and Australia.

Test: Biology - 3 - Question 13

The involvement of which one of the following is essential in the control of blood sugar?

Detailed Solution for Test: Biology - 3 - Question 13

Investment of pancreas is essential in the control of blood sugar. Pancreas produces the hormone insulin which checks the blood sugar level and glucagon which tends to increase the level of blood glucose.

Test: Biology - 3 - Question 14

Which drug is used as an Anti-Diabetic drug?

Detailed Solution for Test: Biology - 3 - Question 14

Metformin is an oral diabetes medicine that helps control blood sugar levels. It is used to improve blood sugar control in people with type 2 diabetes. 

Test: Biology - 3 - Question 15

During dehydration what is the substance that is usually lost by the body? 

Detailed Solution for Test: Biology - 3 - Question 15

- During dehydration, the body primarily loses water and electrolytes.
- Sodium chloride, commonly known as salt, is the main electrolyte lost.
- Electrolytes are essential for maintaining fluid balance, nerve function, and muscle contractions.
- Sodium plays a crucial role in regulating water distribution and blood pressure.
- Loss of sodium chloride can lead to symptoms like muscle cramps, dizziness, and fatigue.
- Rehydration solutions often contain sodium to restore electrolyte balance effectively.. 

Test: Biology - 3 - Question 16

Which of the following diseases affects women easily than that of men?  

Detailed Solution for Test: Biology - 3 - Question 16

For women, heart disease symptoms may be subtle - but when a heart attack strikes, women are more likely to die than men. Women are also at twice the risk of death following open heart surgery, compared to men.
Researchers say when men have heart disease it affects the larger blood vessels, but in women, the small blood vessels become diseased.

Test: Biology - 3 - Question 17

Pituitary gland is located in —

Detailed Solution for Test: Biology - 3 - Question 17

In vertebrate anatomy the pituitary gland is an endocrine gland about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is a protrusion off the bottom of the hypothalamus at the base of the brain, and rests in a small, bony cavity covered by a Dural fold. The pituitary gland secretes nine hormones that regulate homeostasis.

Test: Biology - 3 - Question 18

Where is the Botanical Survey of India headquartered?  

Detailed Solution for Test: Biology - 3 - Question 18

The Botanical Survey of India (BSI) is the apex research organization under the Ministry of Environment and Forests, Govt. of India for carrying out taxonomic and floristic studies on wild plant resources of the country. It was established on 13th February, 1890 with the basic objective to explore the plant resources of the country and to identify the plants species with economic virtues. The Botanical Survey of India has the nine regional circles situated at different regions of the country.

Test: Biology - 3 - Question 19

Who amongst the following was awarded Nobel Prize for path breaking contributions to develop treatment agaThst Parkinson's disease?​

Detailed Solution for Test: Biology - 3 - Question 19

In the 1950s, Arvid Carlsson demonstrated that dopamine was a neurotransmitter in the brain and not just a precursor fornorepinephrine, as had been previously believed. He developed a method for measuring the amount of dopamine in brain tissues and found that dopamine levels in the basal ganglia, a brain area important for movement, were particularly high. He then showed that giving animals the drug reserpine caused a decrease in dopamine levels and a loss of movement control. 

Test: Biology - 3 - Question 20

What is the chromosome number in a human ovum?

Detailed Solution for Test: Biology - 3 - Question 20

The correct answer is 23.
Key Points

  • The human egg, or ovum, is one of the largest cells in the human body. 
  • Karl Ernst von Baer discovered the mammalian ovum in 1827.
  • After ovulation, the egg lives for 12 to 24 hours and must be fertilized in that time.
  • An egg cell is a metabolically active cell, substances are absorbed and released.
  • Humans are diploid (2n) organisms having 46 or 23 pairs of chromosomes.
  • The gametes, sperm and ovum, are haploid (n) as they are formed by meiosis.
  • This means the gametes will have only one of each pair of chromosomes.
  • Therefore, chromosome number in the human ovum is 23.
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