Biology set 1 MCQs

Practice interactive objective questions for this topic. Select an option to instantly verify your answer and read detailed explanations.

Showing 605 questions
Q.121 In the animal kingdom, which of the following phyla includes animals with a segmented body?
A Arthropoda
B Annelida
C Mollusca
D Chordata
Discuss / Board
Q.122 Who first postulated that cells are generated from pre-existing cells?
A William Harvey
B Carl Linnaeus
C Rudolf Virchow
D Jennifer Doudna
Discuss / Board
Q.123 In animal cells, the breakdown of very long chain fatty acids through 𝛽-oxidation is conducted by which of the following organelles?
A Golgi apparatus
B Mitochondria
C Peroxisome
D Ribosome
Discuss / Board
Q.124 The percentage of sunlight energy absorbed by the green plants in a terrestrial ecosystem is about .
A 0.5%
B 1%
C 2%
D 1.5%
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Q.125 By what name is the species of Scaphopoda Mollusca 'Dentalium' commonly known?
A Duck mussel
B Heart clam
C Head foot
D Tusk shells
Discuss / Board
Q.126 Which of the following cell organelles possesses their own DNA and can synthesise protein for their functions?
A Centrosome
B Chloroplast
C Golgi complex
D Endoplasmic reticulum
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Q.127 Which of the following groups of plants are categorised as cryptogams?
A Gymnosperms and Angiosperms
B Thallophyta and Gymnosperms
C Pteridophyta and Angiosperms
D Bryophytes and Thallophyta
Discuss / Board
Q.128 The cytoplasmic zone surrounding the Golgi complex possesses no cell organelles. This zone of clear cytoplasm is called:
A cytosol
B zone of exclusion
C cytosine
D cytochrome
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Q.129 Which of the following is NOT a function of mesosomes?
A DNA replication and distribution to daughter cells (
B Respiration
C Increase the surface area of the plasma membrane and enzymatic content
D Locomotion
Discuss / Board
Q.130 What is the term for the maximum population size that an environment can sustain indefinitely?
A Ecological niche
B Biotic potential
C Pioneer species
D Carrying capacity
Discuss / Board
Q.131 According to sympatric speciation, the rising of a new species occurs when:
A organisms from the same species start to show different behavioural characteristics
B one species is separated into different groups due to geologic events like mountain formation
C the two groups of organisms from the same species would phenotypically look different
D two groups of the same species cannot interbreed among themselves despite living in the same geographic location
Discuss / Board
Q.132 Anorexia Nervosa is an eating disorder characterised by: a) Overeating b) Loss of appetite c) Fear of gaining weight d) Distorted body image
A c and d
B a and c
C b and c
D a and b
Discuss / Board
Q.133 Which of the following are edible polysaccharides?
A Sucrose, glucose and cellulose
B Cellulose, chitin and myosin
C Methyl cellulose, chitin and actin
D Starch, alginates, pectins and chitosans
Discuss / Board
Q.134 Which organelle contains ribosomal RNA and is involved in the production of ribosomes?
A Golgi apparatus
B Nucleus
C Endoplasmic reticulum
D Nucleolus
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Q.135 Cyanobacteria belong to the domain of:
A Primary Consumers
B Producers
C Decomposers
D Tertiary Consumers
Discuss / Board
Q.136 Muscle cells and muscle fibres are developed from embryonic precursor cells known as:
A myonuclei
B myocyte
C myofibril
D myoblasts
Discuss / Board
Q.137 Gluten formation is observed in various foods like pasta, noodles, pizzas, and bread. Gluten occurs when two specific proteins are mixed with water. Name the two proteins responsible for gluten formation.
A Glutenin and Albumin
B Glutenin and Glycine
C Glutenin and Gliadin
D Glutenin and Casein
Discuss / Board
Q.138 What is the term for the gradual, sequential changes in species composition in an ecosystem over time?
A Extinction
B Succession
C Evolution
D Adaptation
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Q.139 Find the odd one out. Vacuoles, Lysosomes Nucleus, Ribosomes,
A Nucleus
B Vacuoles
C Ribosomes
D Lysosomes
Discuss / Board
Q.140 Which of the following are the amounts of nutrients in a keto diet?
A Only taking high number of vitamins and minerals
B High protein and fat, carbohydrates in a low amount
C High carbohydrate, proper amount of protein and low fat
D High amount of fat, adequate protein and low carbohydrate
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Q.141 National Prophylaxis Program, which was launched in 1970 as an immediate remedial measure to address which of the following medical conditions / diseases caused by nutritional deficiencies?
A Goitre
B Hypercalcemia
C Beriberi
D Blindness
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Q.142 Which of the following is an example of anaerobic activity?
A Jumping
B Skipping
C Walking
D Swimming
Discuss / Board
Q.143 Which of the following foods generally increase blood pressure?
A Food high in protein
B Food high in salt, sugar and saturated or trans fats
C Food with low salt and low sugar
D Food high in fibre
Discuss / Board
Q.144 In which of the following is nicotine present in high quantity?
A Tobacco
B Tea
C Butter milk
D Lime soda
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Q.145 Which of the following is NOT included in the Indian Food Guide Pyramid for healthy eating?
A Pulses and legumes
B Alcoholic beverages
C Milk, meat and products
D Fats and sugar
Discuss / Board
Q.146 Which protein is found in grains?
A Gluten
B Gum protein
C Arginine
D Delta protein
Discuss / Board
Q.147 Identify the reason for formation of dental plaque.
A When acids stick to the teeth
B When bacteria acting on sugars produce acids
C Masses of bacterial cells together with food particles stick to the teeth
D Saliva sticks to the pulp
Discuss / Board
Q.148 Which vitamin is involved in red blood cell formation, neurological function and DNA synthesis?
A Vitamin B7
B Vitamin K
C Vitamin E
D Vitamin B12
Discuss / Board
Q.149 What is the shape of the eyeball?
A Oval
B Spherical
C Cylindrical
D Circular
Discuss / Board
Q.150 What are the thin filamentous extensions that the motile bacterial cells have from their cell wall called?
A Fimbriae
B Flagella
C Lamellae
D Pili
Discuss / Board

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