Biology Quiz Multiple Choice Questions Online - Set 23

1) The hormone that helps in Parthenocarpy
A) Abscisic acid
B) Gibberellin
C) Ethylene
D) Cytokinin
Answer: B) Gibberellin

2) Organisms need Nutrients in order to
A) Breaking down food
B) Utilize chemical compounds
C) recycling
D) None
Answer: A) Breaking down food

3) Meiosis ii is similar to mitosis in that
A) the daughter cells are diploid
B) sister chromatids separate during anaphase
C) DNA replicates before the division
D) All of the above
Answer: C) DNA replicates before the division

4) Spices detoriate after prolonged boiling
A) The essential oils in the spices easily evaporate
B) Spices are put in the pickels to add to the flavour
C) Both A and B
D) None
Answer: A) The essential oils in the spices easily evaporate

5) Total salt content in blood is about
A) 1.85 to 1.9%
B) 11.85 to 11.9%
C) 2.85 to 2.9%
D) 0.85 to 0.9%
Answer: D) 0.85 to 0.9%

6) Which among the following blood protein regulates the amount of water in plasma?
A) Albumin
B) Fibulin
C) Globulin
D) Fibrin
Answer: A) Albumin

7) A true species in mauritius failed to reproduce because of the extinction of a fruit eating bird. Which one of the following was that bird?
A) Dove
B) Dodo
C) Condor
D) Skua
Answer: B) Dodo

8) At what temperature do pathogenic bacteria grow best in food?
A) 5 to 15 degrees Celsius
B) 15 to 25 degrees Celsius
C) 20 to 45 degrees Celsius
D) 40 to 65 degrees Celsius
Answer: C) 20 to 45 degrees Celsius

9) The primary goal of conservation biology is to
A) counter the loss of biodiversity
B) estimate the total number of species that exist
C) integrate human culture back into nature
D) catalogue species
Answer: A) counter the loss of biodiversity

10) Plantain is
A) a tree
B) an annual herb
C) a perennial herb
D) a shrub
Answer: C) a perennial herb

11) Silviculture is the branch of botany in which we study about
A) Culture of algae
B) Development of forest
C) Culture of fungi
D) Silciphida plant
Answer: B) Development of forest

12) One reason the skeletal system is important is because
A) the skeletal system creates the connective tissue and tendons that allow the body to move
B) the skeletal system is responsible for controlling functions of the entire body
C) without the skeletal system, an individual would not have enough calcium to live
D) the skeletal system is solely responsible for housing the body's immune system
Answer: A) the skeletal system creates the connective tissue and tendons that allow the body to move

13) Damage to hearing is caused by sounds which exceed
A) 70 decibels
B) 80 decibels
C) 100 decibels
D) 120 decibels
Answer: D) 120 decibels

14) Shedding of leaves and fruits is due to the presence of hormone named
A) Indole - acetic acid
B) Naphthalene acetic acid
C) Gibberellins
D) Abscisic acid
Answer: D) Abscisic acid

15) Reflex actions are controlled by
A) The Spinal Chord
B) The Nerves
C) The cells
D) The Brain
Answer: A) The Spinal Chord

16) Which of the following is the largest phyllum in the animal kingdom in respect of number of species
A) Annalida
B) Platyhelminthes
C) Chordata
D) Arthropoda
Answer: D) Arthropoda

17) What does the central nervous system consists of?
A) Brain
B) Spinal cord
C) Nerves
D) All the above
Answer: D) All the above

18) Self pollination will lead to
A) Inbreeding
B) Over breeding
C) Outbreeding
D) Rare breeding
Answer: A) Inbreeding

19) The leaves used as wrappers for bides are obtained from which one of the following ?
A) Shikakai
B) Rudraksha
C) Tendu
D) Lemon grass
Answer: C) Tendu

20) Five Kingdom Classification was preposed by _________
A) Linnacus
B) George Bentham
C) Ariostotle
D) whittaker
Answer: D) whittaker

21) Which of the following can be a symptom of AIDS?
A) Hair loss
B) Severe weight gain
C) Tiredness
D) All the above
Answer: C) Tiredness

22) The story of vitamins dates back to
A) 15th century
B) 16th century
C) 17th century
D) 18th century
Answer: D) 18th century

23) Where does transcription occur in eukaryotes?
A) Cytoplasm
B) Nucleus
C) Chromosomes
D) None of the above
Answer: B) Nucleus

24) Systems biology is mainly an attempt to
A) Understand the behavior of entire biological systems
B) Speed up the technological application of scientific knowledge
C) Analyze genomes from different species.
D) None of the above
Answer: A) Understand the behavior of entire biological systems

25) The enzyme that is necessary to bring about clotting of blood is 
A) peptidase
B) amylase
C) lipase
D) thrombokinase
Answer: D) thrombokinase

26) The process in which energy stored in carbohydrates is released
A) Photosynthesis
B) Respiration
C) Reproduction
D) Excretion
Answer: B) Respiration

27) Water pollution of a river is measured by_______
A) Amount of chlorine dissolve in water
B) Amount of Ozone dissolve in water
C) Amount of nitrogen dissolve in water
D) Amount of oxygen dissolve in water
Answer: D) Amount of oxygen dissolve in water

28) Yeast used in making bread is a
A) Fungus
B) Bacteria
C) Seed
D) Plant
Answer: A) Fungus

29) Angioplasty is the most typical treatment for arteriosclerosis.
A) TRUE
B) FALSE
Answer: B) FALSE

30) Which of the following is a nucleotide found in DNA?
A) Deoxyribose + Phosphate Group + Polymerase
B) Adenine + Phosphate Group + Thymine
C) Deoxyribose + Phosphate Group + Thymine
D) Cytosine + Phosphate Group + Uracil
Answer: C) Deoxyribose + Phosphate Group + Thymine

31) The protoplasm of a child is exactly the same as that of its
A) mother
B) father
C) grandfather
D) identical twin
Answer: D) identical twin

32) The total number of pairs of Peripheral nerves in man are
A) 41
B) 42
C) 43
D) 44
Answer: C) 43

33) What is the functional unit of a skeletal muscle called?
A) Myofibril
B) Sarcomere
C) Fiber
D) Fasciculus
Answer: B) Sarcomere

34) Which systems comprise the nervous system?
A) Central nervous system
B) Peripheral nervous system
C) Both A & B
D) None of the above
Answer: C) Both A & B

35) Which is the largest gland in the human body?
A) Pituitary
B) Liver
C) Pineal
D) Adrenal
Answer: B) Liver

36) Which of the following vitamin helps in clotting of blood?
A) Vitamin K
B) Vitamin D
C) Vitamin B1
D) Vitamin B2
Answer: A) Vitamin K

37) karl Landsteiner discovered
A) Blood corpuscles
B) Blood groups
C) Blood vessels
D) Proteins in Blood
Answer: B) Blood groups

38) The normal blood pressure in human beings is
A) 80/120
B) 120/80
C) 80/110
D) 110/90
Answer: B) 120/80

39) Sponges are most accurately described as
A) marine predators
B) chemoautrophs
C) filter feeders
D) freshwater scavengers
Answer: C) filter feeders

40) Genes are situated on _________
A) Chromosome
B) Mitochondria
C) Plastids
D) Ribosomes
Answer: A) Chromosome

41) Oath taken by medical graduates is given by-
A) Theophrastus
B) Aristotle
C) Darwin
D) Hippocrates
Answer: D) Hippocrates

42) In electro - magnetic radiation, which of the following has greater wave - length than visible light
A) Ultra -violet rays
B) Infra - red rays
C) Cosmic rays
D) x-rays
Answer: B) Infra - red rays

43) Branch of biology in which we study about cultivation of flowering plant
A) Phenology
B) Floriculture
C) Agronomy
D) Botany
Answer: B) Floriculture

44) What is the function of reverse transcriptase?
A) synthesis of RNA from protein
B) synthesis of DNA from an RNA template
C) synthesis of protein from DNA
D) synthesis of DNA from protein
Answer: B) synthesis of DNA from an RNA template

45) What is the correct order for Respiration?
A) Election transport chain – Krebs’ cycle – glycolysis
B) Glycolysis – Krebs’ cycle – electron transport chain
C) Glycolysis – electron transport chain – Krebs’ cycle
D) The Krebs’ cycle - electron transport chain - glycolysis
Answer: B) Glycolysis – Krebs’ cycle – electron transport chain

46) The limbic system structure that regulates hunger is called the
A) Hypothalamus
B) Cerebellum
C) Pituitary gland
D) Cerebrum
Answer: A) Hypothalamus

47) Which is not a basic function of a cell?
A) stopping homeostasis from happening
B) obtaining and storing energy
C) removing waste
D) transferring genetic information
Answer: A) stopping homeostasis from happening

48) The rate of respiration per minute in a new born baby
A) 18 times
B) 32 times
C) 26 times
D) 16 times
Answer: B) 32 times

49) What happens during the process of translation?
A) Transfer RNA is made from messenger RNA
B) Copies of DNA molecules are made
C) The cell uses information from messenger RNA to produce proteins
D) Messenger RNA is made from DNA
Answer: C) The cell uses information from messenger RNA to produce proteins

50) In which of the following kind of organisms is the phenomenon found where in the female kills the male after copulation __________
A) Drgonfly
B) Honey bee
C) Spider
D) Pit viper
Answer: C) Spider

General Knowledge: Also Read:
Biology Quiz Multiple Choice Questions Online - Set 23 Biology Quiz Multiple Choice Questions Online - Set 23 Reviewed by SSC NOTES on September 01, 2023 Rating: 5
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