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.211 What is the process by which one organism captures and consumes another organism called?
A Mutualism
B Competition
C Predation
D Parasitism
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Q.212 The process by which absorbed nutrients are taken from the blood and utilized by cells for energy, growth, and repair is known as:
A Transmission
B Assimilation
C Transfusion
D Integration
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Q.213 Which of the following vitamins is also known as Vitamin B1?
A Niacin
B Riboflavin
C Pantothenic acid
D Thiamin
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Q.214 Which of the following represents the correct sequence of the human alimentary canal?
A The buccal cavity ---> Oesophagus -- > Stomach ---> Large intestine ---> Small intestine ---> Rectum ---> Anus
B The buccal cavity ---> Oesophagus ---> Stomach ---> Small intestine ---> Large intestine ---> Anus ---> Rectum
C The buccal cavity ---> Oesophagus -- > Stomach ---> Large intestine ---> Small intestine ---> Anus ---> Rectum
D The buccal cavity ---> Oesophagus -- > Stomach ---> Small intestine ---> Large intestine ---> Rectum ---> Anus
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Q.215 Which of the following is a function of the cytoskeleton?
A Protein synthesis
B Cell division
C ATP production
D Cell support and shape
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Q.216 Vitamin B12 is also known as:
A pantothenic acid
B cyanocobalamin
C pyridoxine
D biotin
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Q.217 Which type of cell lacks a membrane-bound nucleus?
A Prokaryotic cell
B Eukaryotic cell
C Animal cell
D Plant cell
Discuss / Board
Q.218 Which of the following is a macronutrient?
A Vitamins
B Carbohydrates
C Minerals
D Antioxidants
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Q.219 You grew a small plant in a planter. On maturity, you observed that the plant has green stem, very few branches and the stem is so soft that you could easily break it with your hands. Under which category will you put this plant?
A Tree
B Creeper
C Shrub
D Herb
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Q.220 Who among the following scientists discovered free living cells in pond water for the first time?
A Robert Brown
B Franz Bauer
C Robert Hooke
D Anton Van Leeuwenhoek
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Q.221 What is the primary function of the Golgi apparatus?
A Lipid production
B Sorting and packaging of cellular products
C Protein synthesis
D Cellular respiration
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Q.222 The Y-shaped proteinaceous structure produced by the immune cells to defend our body against harmful bacteria and viruses are known as:
A immunoglobulin
B amino acids
C collagen
D haemoglobin
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Q.223 Which of the following is INCORRECT about cooking of food?
A Makes it easier to digest
B Results in the loss of certain nutrients
C Destroys vitamin C easily
D Destroys vitamin D easily
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Q.224 Which of the following organisms belong to the Phylum Protozoa?
A Amoeba, Paramecium, Jelly fish
B Amoeba, Paramecium, Plasmodium
C Euglena, Paramecium, Jelly fish
D Amoeba, Paramecium, Taenia
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Q.225 The primary function of which globular structure is to produce and assemble the ribosomes of the cell?
A Chromatin
B Centriole
C Peroxisomes
D Nucleolus
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Q.226 Which phylum of the animal kingdom is made up of segmented worms like earthworms?
A Porifera
B Nematoda
C Platyhelminthes
D Annelida
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Q.227 What is the function of the endoplasmic reticulum (ER)?
A Lipid synthesis and detoxification
B Protein synthesis
C Energy production
D DNA replication
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Q.228 Which of the following is NOT an animal of Phylum Chordate?
A Rabbit
B Snake
C Frog
D Earthworm
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Q.229 Which term refers to the increasing concentration of toxins within each successive link in the food chain?
A Biomagnification
B Facilitation
C Denitrification
D Stratification
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Q.230 What is the term for a nucleus formed by the fusion of two pronuclei during fertilization?
A synkaryon
B eukaryon
C heterokaryon
D syncytium
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Q.231 Why are viruses generally considered non-living outside a host cell?
A They camouflage themselves as non living to find a host.
B They lack cell membrane and other organelles.
C They lack DNA.
D They need heat of the hosts body to multiply.
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Q.232 Besides the cell organelles, there are various types of non-living components within a cell, which are known as:
A Cytoplasmic Inclusion
B Plasmodesmata
C Tubules
D Microfibrils
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Q.233 Which of the following is an example of a gymnosperm?
A Fern
B Cycas
C Mosses
D Rose
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Q.234 In which plant tissue does photosynthesis primarily occur?
A Xylem
B Epidermis
C Phloem
D Mesophyll
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Q.235 What specialised nerve cells does the phylum Cnidaria have to capture and stun prey such as water fleas and plankton?
A collar cell
B stinging cell
C flame cell
D chief cell
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Q.236 Which of the following minerals is essential for maintaining healthy bones and teeth?
A Sodium
B Potassium
C Phosphorus
D Fluoride
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Q.237 Certain grass-eating animals complete the digestion of food in two processes. First, they swallow partially digested food and then they regurgitate and chew upon that food again. What are such animals known as?
A Heterotrophs
B Regurgitates
C Autotrophs
D Ruminants
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Q.238 Which of the following is/are Pteridophyta?
A Hornworts
B Lichens
C Mosses
D Fern
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Q.239 Which sulphur containing preservative is used to increase the shelf life of meat products such as fresh sausages and burgers?
A Sodium metabisulphite
B Sodium polysulfides
C Sodium thiosulfate
D Sodium phenyl sulfide
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Q.240 Eukaryotic organisms can have very complex functions to sustain themselves. At the cellular level, these involve several different types of chemical functions like energy production, metabolism etc. What are the membranebound structures called, which are present within the cell to keep each of these functionalities separate?
A Cytoplasm
B Plasma gel
C Organelles
D Nucleoid
Discuss / Board

Master Biology set 1 for All Competitive Exams 2026

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