General Science Jkssb Biology Set 1 Mcqs (605 MCQs) | JKSSB & SSC Quiz

General Science

jkssb biology set 1 mcqs

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Practice Questions

605 Total
Question 71 Discuss
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Which of the following vitamins includes cobalt as an essential component?

A
Vitamin B12
B
Vitamin C
C
Vitamin D
D
Vitamin K

Answer & Explanation

Correct Option: A

Vitamin B12, chemically and officially known in science as cobalamin, is entirely unique among human vitamins precisely because it intrinsically contains the rare trace mineral cobalt tightly bound at the direct center of its complex molecular structure.
Question 72 Discuss
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Which of the following organisms is used in bread and alcohol industries?

A
Producer
B
Fungus
C
Carnivore
D
Herbivore

Answer & Explanation

Correct Option: B

Yeast, which structurally is a highly versatile single-celled fungus, is globally and widely utilized throughout commercial baking and industrial brewing explicitly because it effectively ferments plant sugars into trapped carbon dioxide gas and liquid ethanol.
Question 73 Discuss
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Which of the following options correctly matches column-A with column-B? Column-A (Name of Vitamin) i. Vitamin A ii. Vitamin D iii. Vitamin B1 iv. Vitamin C Column-B (Deficiency Diseases)

A
i-c, ii-d, iii-a, iv-b
B
i-d, ii-c, iii-b, iv-a
C
i-d, ii-c, iii-a, iv-b
D
i-c, ii-d, iii-b, iv-a

Answer & Explanation

Correct Option: B

Severe dietary deficiencies over time in Vitamins A, D, B1, and C famously lead to very serious, recognizable physiological conditions known respectfully as clinical night blindness, childhood rickets, debilitating beriberi, and fatal scurvy.
Question 74 Discuss
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Which of the following are building blocks of proteins?

A
Amino acids
B
Cells
C
Bases
D
Acids

Answer & Explanation

Correct Option: A

Biological proteins are exceptionally complex macromolecules systematically constructed from immensely long, intricately folded chains of individual amino acids that are meticulously linked together by robust, covalent peptide bonds.
Question 75 Discuss
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To get relief from constipation, which of the following is prescribed to be eaten in large amount?

A
Protein
B
Fish
C
Meat
D
Fibre

Answer & Explanation

Correct Option: D

Consuming dietary fiber greatly adds critical bulk to human stool and significantly accelerates its smooth, healthy transit entirely through the winding digestive tract, actively preventing and effectively relieving uncomfortable periods of constipation.
Question 76 Discuss
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Which part of a flower develops into a seed?

A
Ovary
B
Stigma
C
Anther
D
Ovule

Answer & Explanation

Correct Option: D

Immediately after a successful biological fertilization event occurs, the protected flower's ovule gradually matures and structurally develops into a fully viable seed safely containing the new, fragile plant embryo.
Question 77 Discuss
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What is the study of the interactions between living organisms and their environment called?

A
Biology
B
Ecology
C
Geology
D
Chemistry

Answer & Explanation

Correct Option: B

Ecology is the highly specific, detailed branch of biology intensely focused on truly understanding how various complex organisms dynamically interact with one another and seamlessly adapt to their changing physical surroundings.
Question 78 Discuss
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Which food is a good source of complete protein?

A
Lentils
B
Eggs
C
Spinach
D
Rice

Answer & Explanation

Correct Option: B

Eggs are widely, nutritionally considered a tremendously high-quality 'complete protein' strictly because they naturally and abundantly contain all nine required essential amino acids perfectly proportioned for basic human dietary needs.
Question 79 Discuss
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To which of the following groups do whales belong?

A
Mammalia
B
Pisces
C
Amphibia
D
Arthropoda

Answer & Explanation

Correct Option: A

Despite their highly adapted, completely aquatic oceanic lifestyle, whales are definitively and scientifically classified as true mammals precisely because they are endothermic, possess large lungs to actively breathe air, and uniquely nurse their live young with thick milk.
Question 80 Discuss
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Foods containing fats and carbohydrates are also called .

A
fermented foods
B
energy giving foods
C
roughage
D
body building foods

Answer & Explanation

Correct Option: B

Dietary carbohydrates and dietary fats biologically and primarily serve as the human body's absolute most dense and most readily available sources of quick metabolic fuel, thereby formally earning them the broad classification of 'energy-giving' foods.
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