Biology MCQs Questions with Answers
Here you can get the best Multiple Choice Questions with Answer on Biology. This Objectives types questions help you for your biology competitive exam . Mainly Best for your NEET Preparation.
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Biology MCQs Questions with Answers
MCQ on Cell Biology
Biology MCQs Questions with Answers – 1
1. The organelle that used in the breakdown of organic matter?
(a) Lysosomes
(b) Cytoplasm
(c) Golgi bodies
(d) Mitochondria
Answer (a) Lysosomes
2. Which organelle involved in the synthesis of phospholipids.
(a) Mitochondria
(b) Cytoplasm
(c) Endoplasmic Reticulum
(d) Smooth Endoplasmic Reticulum
Answer (d) Smooth Endoplasmic Reticulum
3. The cell organelles that present in plants cells and absent in animal cells
(a) Nucleus
(b) Vacuole
(c) Chloroplast
(d) Cytoplasm
Answer (c) Chloroplast
4. True about chromosomes
(a) It is present within the nucleus
(b) Helps in inheritance
(c) It is composed of genetic material as Chromatin and protein
(d) All of the above
Answer (d) All of the above
5. The single membrane-bound organelle is
(a) Vacuole
(b) Golgi Apparatus
(c) Endoplasmic Reticulum
(d) All of the above
Answer (d) All of the above
6. The organelle that present in animal cells and absent in plant cells
(a) Nucleus
(b) Centrosome
(c) Golgi bodies
(d) All of the above
Answer (b) Centrosome
7. Choose the odd one on basis of membrane
(a) Chloroplast
(b) Mitochondria
(c) Endoplasmic Reticulum
(d) All of the above
Answer (c) Endoplasmic Reticulum
8. Golgi bodies relates to ?
(a) a sac-like organelle
(b) located near the nucleus
(c) It helps in transportation
(d) All of the above
Answer (d) All of the above
9. True about the Nucleus?
(a) Absent in prokaryotes
(b) The brain of the cell
(c) It contains both DNA and other genetic materials.
(d) All of the above
Answer (d) All of the above
10. Suicidal bag refer to
(a) Lysosomes
(b) Golgi bodies
(c) Cell membrane
(d) Mitochondria
Answer (a) Lysosomes
11. Cell organelle that not found in prokaryotic cells
(a) Nucleus
(b) Lysosome
(c) Endoplasmic Reticulum
(d) All of the above
Answer (d) All of the above
12. The cell organelles is involved in the storage of food
(a) Vacuoles
(b) Lysosome
(c) Mitochondria
(d) Cell membrane
Answer (a) Vacuoles
13. Cell organelles that absent in animal cells and present in a plant cell
(a) Cell wall
(b) Cytoplasm
(c) Vacuoles
(d) Mitochondria
Answer (a) Cell wall
14. Cell organelles without DNA
(a) Nucleus
(b) Lysosomes
(c) Chloroplast
(d) Mitochondria
Answer (b) Lysosomes
15. Statements that true about the cell wall
(a) it composed of lipid
(b) it composed of starch
(c) it composed of protein
(d) it composed of cellulose
Answer (d) it composed of cellulose
16. True statements about cell theory
(a) It does not apply to fungi
(b) It does not apply to virus
(c) It does not apply to algae
(d)Not valid to microbes
Answer (b) It does not apply to virus
17. The jellylike substance found floating inside the plasma membrane.
(a) Cell sap
(b) Cytoplasm
(c) Karyoplasm
(d) Mitochondria
Answer (b) Cytoplasm
18. powerhouse of the cell is
(a) Nucleus
(b) Lysosomes
(c) Chloroplast
(d) Mitochondria
Answer (d) Mitochondria
19. Cell organelles manage the entry and exit of molecules to and from the cell is
(a) Lysosomes
(b) Golgi bodies
(c) Cell membrane
(d) Mitochondria
Answer (c) Cell membrane
20. Founder of cell in 1965 is
(a) Robert Hooke
(b) Schwann
(c) Tatum
(d) De Bary
Answer (a) Robert Hooke
21. The cell theory is not work for
(a) Algae
(b) Virus
(c) Bacteria
(d) Fungi
Answer (b) Virus
22. Digestive bags refers to
(a) Nucleus
(b) Lysosomes
(c) Chloroplast
(d) Mitochondria
Answer (b) Lysosomes
23. Cell organelles contains RNA is
(a) Mitochondria
(b) Plastids
(c) Lysosomes
(d) Ribosomes
Answer (d) Ribosomes
24. The site of ribosome in a living cell
(a) Endoplasmic reticulum
(b) Golgi bodies
(c) Plasma membrane
(d) Nucleolus
Answer (d) Nucleolus
25. The cell organelle that considered as a cell within a cell?
(a) Chloroplast
(b) Ribosome
(c) Mitochondria
(d) Golgi complex
Answer (d) Golgi complex
MCQ on Genetics
Biology MCQs Questions with Answers – 2
1. The resemblance tendency of offspring to its parent is known as
(a) Variation
(b) Heredity
(c) Resemblance
(d) Inheritance
Answer (b) Heredity
2. Father of Genetics is
(a) Morgan
(b) Mendel
(c) Watson
(d) Bateson
Answer (b) Mendel
3. Gene alternatively exists in the form of
(a) Alternate type
(b) Recessive character
(c) Dominant character
(d) Allele
Answer (d) Allele
4. The genotypic ratio is shown by a monohybrid cross is
(a) 1:2:1
(b) 3:1
(c) 2:1:1
(d) 9:3:3:1
Answer (a) 1:2:1
5.Regarding the “law of segregation”, the true one is
(a) Law of segregation is the law of purity of genes
(b) Alleles separate during gametogenesis
(c) Segregation of factors is due to the segregation of chromosomes during meiosis
(d) All of the above
Answer (d) All of the above
6. In an individual the Homozygosity and heterozygosity can be determined by
(a) Back cross
(b) Self-fertilization
(c) Test cross
(d) All of the above
Answer (c) Test cross
7. An exception to Mendel’s law is
(a) Independent assortment
(b) Linkage
(c) Dominance
(d) Purity of gametes
Answer (b) Linkage
8. Mendel use pee plant in his experiments because
(a) They were cheap
(b) They had contrasting characters
(c) They were available easily
(d) All of the above
Answer (b) They had contrasting characters
9. Which one of the following produces a phenotypic effect on mutation
(a) Muton
(b) Gene
(c) Recon
(d) Nucleic acid
Answer (a) Muton
10.Mendel’s findings were rediscovered by
(a) Correns
(b) De Vries
(c) Tschermark
(d) All
Answer (d) All
11. Alleles are
(a) Alternate forms of genes
(b) Linked genes
(c) Chromosomes that have crossed over
(d) Homologous chromosomes
Answer (a) Alternate forms of genes
12. The activity of one gene is suppressed by the activity of a non-allelic gene, the process is known as
(a) Pseudo-dominance
(b) Hypostasis
(c) Epistasis
(d) Incomplete dominance
Answer (c) Epistasis
13. Cystic fibrosis is
(a) Sex-linked recessive disorder
(b) Autosomal dominant disorder
(c) Autosomal recessive disorder
(d) Sex-linked dominant disorder
Answer (c) Autosomal recessive disorder
14. 9:7 ratio in the F2 generation indicates
(a) Incomplete dominance
(b) Co-dominance
(c) Epistasis
(d) Complementary interaction
Answer (c) Epistasis
15. The presence of small amount of lethal mutation in the population due to
(a) Positive selection
(b) Negative selection
(c) Frequency-dependent selection
(d) Mutation-selection balance
Answer (d) Mutation-selection balance
16.The human blood group ABO with alleles IA IB i,can occur phenotypes
(a) 2
(b) 3
(c) 4
(d) 1
Answer (c) 4
17. All the possible combinations of male and female gametes can be calculate by using
(a) Bateson Square
(b) Mendel Square
(c) Punnett Square
(d) Mendel’s Cube
Answer (c) Punnett Square
18. The pair of contrasting characters is
(a) Heterozygous
(b) Homozygous
(c) Codominant genes
(d) Allelomorphs
Answer (d) Allelomorphs
19. Which is not an outcome of Mendel’s Experiment?
(a) 3 tall 1 short plant
(b) 24 tall and 8 short plants
(c) 8 tall and 0 short plants
(d) 4 tall plants and 1 medium height plant.
Answer (d) 4 tall plants and 1 medium height plant.
20. The part of genetic material (DNA) that provide the information for one protein is
(a) Nucleus
(b) Chromosomes
(c) Trait
(d) Gene
Answer (d) Gene
21. Which of the following is not controlled by genes?
1. Weight of a person
2. Height of a person
(a) only 1
(b) only 2
(c) both 1 and 2
(d) sometimes 1 and sometimes 2
Answer (b) only 2
22. What is the probability that the male progeny will be a boy?
(a) 50%
(b) 56%
(c) 47.43%
(d) It varies
Answer (a) 50%
23. Who have a perfect pair of sex chromosomes?
(a) Girls only
(b) Boys only
(c) Both girls and boys
(d) It depends on many other factors
Answer (a) Girls only
24. With whom you can associate theory of evolution?
(a) Charles Darwin
(b) Mendel
(c) Stanley miller
(d) Harold Urey
Answer (a) Charles Darwin
25. Which of the following can be called a characteristic?
(a) Plants can photosynthesis
(b) We have 2 eyes
(c) Mango tree is multicellular
(d) All of these
Answer (d) All of these
26. Homologous organ have
(a) Same structure, same function
(b) Different structure, different function
(c) Same structure, different function
(d) different structure, same function
Answer (c) Same structure, different function
