Target Railways- RRB NTPC, RRB JE, SSC CGL – Biology Quiz (Set-1)

Q1. Contraction of heart is also known as
(a) Systole
(b) Aristotle
(c) Diastole
(d) Lub

Q2. Azadirachta indica is the botanical name of which of the following?
(a) Rose plant
(b) Apple tree
(c) Neem
(d) Mango

Q3. Which of the following is the main end product of carbohydrate digestion?
(a) Fats
(b) Lipids
(c) Glucose
(d) Cellulose

Q4. Which of the following glands is a source of the enzyme Ptyalin?
(b)Thyroid Gland
(c) Pituitary Gland
(d) Salivary Glands

Q5. Which of the following is not true about Pteridophyta?
(a) Dominant phase is sporophytes
(b) Main plant body is diploid
(c) Seeds are present
(d) Flowers are absent

Q6. The largest dolphin species is the orca, also called as ________.
(a) Bottle Nose
(b) Baiji
(c) Killer whale
(d) Tucuxi

Q7. The fat digesting enzyme Lipase is secreted by which of the following
(a) Kidneys
(b) Pancreas
(c) Large Intestine
(d) Liver

Q8. The arrangement of leaves on an axis or stem is called
(a) Phyllotaxy
(b) vernation
(c) venation
(d) phytotaxy

Q9. The study of Cells is also known as
(a) Cytology
(b) Physiology
(c) Nucleology
(d) Cellology

Q10. Which compound is used in Anti-malarial drug?
(a) Aspirin
(b) Neosporin
(c) Chloroquin
(d) Antacid

Q11. Which of these is not a macronutrient for Plants?
(a) Nitrogen
(b) Phosphorus
(c) Potassium
(d) Chlorine

Q12. Name the respiratory organs of insects
(a) Skin
(b) Body Surface
(c) Gills
(d) Tracheae

Q13. What does Trypsin do?
(a) Breaks down Carbohydrates
(b) Synthesizes proteins
(c) Breaks down fats
(d) Breaks down proteins

Q14. Name the source from which Aspirin is produced?
(a) Willow bark
(b) Oak Tree
(c) Acacia
(d) Eucalyptus

Q15.Cannis Familiaris is the scientific name of –
(a) Cat
(b) Dog
(c) Fox
(d) Wolf

Ans.1(a) Systole
Diastole is that part of the cardiac cycle during which the heart refills with blood after the emptying done during systole which is also known as contraction.

Ans.2(c) Neem
Azadirachta indica is botanical name of neem. It is a multipurpose tree that is highly popular in India, where it provides food and insecticide, and is used for its great number of ethnomedicinal properties.

Ans.3(c) Glucose
End products of digestion of carbohydrates are Glucose, fructose and galactose.

Ans.4(d) Salivary Glands
Salivary gland is a source of enzyme Ptyalin. The enzyme ptyalin ,or salivary amylase acts on starches and converts them to maltose. It helps in the predigestion of starches.

Ans.5(c) Seeds are present
Pteridophyte are vascular plants i.e., plants with xylem and phloem, that reproduce and disperse via spores. They are seedless, vascular cryptogams.

Ans.6(c) Killer whale
Orcas dolphin is also known as killer whales are the largest member of the dolphin family

Ans.7(b) Pancreas
Lipase is an enzyme in the body uses to break down fats in food so they can be absorbed in the intestines. Lipase is produced in the pancreas, mouth, and stomach.

Ans.8(a) Phyllotaxy
The pattern of arrangement of leaves on the stem is called Phyllotaxy. As a stem grows at its apex, new leaf buds form along the stem by a highly controlled developmental process.

Ans.9(a) Cytology 
Cell biology or Cytology is the branch of biology that studies the different structures and functions of the cell.

Ans.10(c) Chloroquin
Antimalarial medications, also known as antimalarials, are designed to prevent or cure malaria. Chloroquin is used in Anti-malarial drug.

Ans.11(d) Chlorine
Nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur are the macronutrients in plants.

Ans.12(d) Tracheae
Insects have a system of tubes, called tracheae, instead of lungs.

Ans.13(d) Breaks down proteins
Trypsin is one of the three principal digestive proteinases. Trypsin acts with the other proteinases to break down dietary protein molecules to their component peptides and amino acids.

Ans.14(a) Willow bark
The ancient Egyptians used Willow bark to produce aspirin as a remedy for aches and pains.

Ans.15(b) Dog
Cannis Familiaris is the scientific name of Dog

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