MCQ on Bioinformatics. We covered all the MCQ on Bioinformatics in this post for free so that you can practice well for the exam.
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MCQ on Bioinformatics for NEET Students
Identify the INCORRECT statement with reference to Biocontrol agents :
(A) They do not show any negative impact on crop plants.
(B) They help to increase the use of synthetic pesticides.
(C) They are significant in treating ecologically sensitive areas.
(D) They do not affect non-target pests.
Option b – They help to increase the use of synthetic pesticides.
(A) Statements (iii) and (iv)
(B) Statements (i), (iii) and (iv)
(C) Statement (ii), (iii) and (iv)
(D) Statement (i) and (ii)
Option d – Statement (i) and (ii)
Which one of the following statements is WRONG in relation to the transgenic Bt cotton plant?
(A) Crop yield loss due to attack by Bacillus thuringiensis bacterium is reduced.
(B) Crop yield loss due to attack by insect pests is reduced.
(C) The use of chemical insecticides in the cotton field is minimized.
(D) Better quality cotton is produced.
Option a – Crop yield loss due to attack by Bacillus thuringiensis bacterium is reduced.
Which of these is used to mix the exhaust, while passing it through a ‘scrubber”?
(A) A spray of methane
(B) Spray of water or lime
(C) Spray of lime or methane
(D) Spray of methane and water
Option b – Spray of water or lime
The contrasting characteristics generally in a pair used for the identification of animals in Taxonomic Key are referred to as :
(A) Alternate
(B) Lead
(C) Couplet
(D) Doublet
Option c – Couplet
Read the following five statements (i – v) and answer the question. i. In Equisetum, the female gametophyte is retained on the parent sporophyte. ii. In Ginkgo, the male gametophyte is not independent. iii. The sporophyte in Riccia is more developed than that in Polytrichum. iv. Sexual reproduction in Volvox is isogamous. V. The spores of slime moulds lack cell walls. How many of the above statements are correct?
(A) Two
(B) Three
(C) Four
(D) One
Option a – Two
What type of pollination takes place in Vallisneria?
(A) Male flowers are carried by water currents to female flowers at the surface of the water.
(B) Pollination occurs in submerged conditions by water.
(C) Flowers emerge above the surface of water and pollination occurs by insects.
(D) Flowers emerge above the water’s surface and pollen is carried by the wind.
Option a – Male flowers are carried by water currents to female flowers at the surface of the water.
Which one of the following is NOT a property of cancerous cells whereas, the remaining three are?
(A) They compete with normal cells for vital nutrients.
(B) They do not remain confined in the area of formation.
(C) They divide in an uncontrolled manner.
(D) They show contact inhibition.
Option d – They show contact inhibition.
A pink-colored flower is obtained in the F₂ generation of snapdragon, whereas none of the parents has that phenotype. The reason for this is ……….
(A) Environmental changes gave rise to the pink color.
(B) Pink was a recessive trait, hence that was expressed in the F2 generation.
(C) Mutation in F₁ generation led to the appearance of pink-colored progeny.
(D) The dominant trait for the color of the flower was not completely dominant over the recessive trait.
Option d – The dominant trait for the color of the flower was not completely dominant over the recessive trait.
In the DNA molecule,
(A) the proportion of adenine in relation to thymine varies with the organism
(B) there are two strands that run antiparallel-one in a 5′ 3′ direction and the other in 3’5′
(C) the total amount of purine nucleotides and pyrimidine nucleosides are not always equal
(D) there are two strands that run parallel in the 5’3′ direction.
Option b – there are two strands that run antiparallel-one in a 5′ 3′ direction and the other in 3’5′
Which of the following is generally used for induced mutagenesis in crop plants?
(A) X-rays
(B) UV (260 nm)
(C) Gamma rays (from cobalt-60)
(D) Alpha particles
Option c – Gamma rays (from cobalt-60)
The active form of Entamoeba histolytica feeds upon
(A) food in the intestine
(B) blood only
(C) erythrocytes, mucosa, and submucosa of the colon
(D) mucosa and submucosa of the colon only
Option c – erythrocytes, mucosa, and submucosa of the colon
From the following which metabolites/biomolecules are common to the respiration-mediated breakdown of fats, carbohydrates, and proteins?
(A) Fructose-1, 6-bisphosphate
(B) Pyruvic acid
(C) Acetyl-CoA
(D) Glucose-6-phosphate
Option c – Acetyl-CoA
During seed germination, its stored food is mobilized by
(A) ABA
(B) gibberellin
(C) ethylene
(D) cytokinin
Option b – gibberellin
Which of the following microorganisms is used for the production of citric acid in industries?
(A) Aspergillus niger
(B) Rhizopus nigricans
(C) Lactobacillus bulgaris
(D) Penicillium citrinum
Option a – Aspergillus niger
In which genetic condition, does each cell in the affected person, have three sex chromosomes XXY?
(A) Turner’s Syndrome
(B) Thalassemia
(C) Klinefelter’s Syndrome
(D) Phenylketonuria
Option c – Klinefelter’s Syndrome
A molecule that can act as a genetic material must fulfill the traits given, except
(A) it should provide the scope for slow changes that are required for evolution.
(B) it should be able to express itself in the form of ‘Mendelian characters’.
(C) it should be able to generate its replica
(D) it should be unstable structurally and chemically.
Option d – it should be unstable structurally and chemically
One of the following statements IS INCORRECT with reference to biodiversity. Identify it.
(A) Biodiversity increases with higher altitudes to lower altitudes.
(B) Depletion in the genetic diversity of crop plants is mainly due to the introduction of better varieties with high yield, disease resistance, etc.
(C) The richest reservoirs of animal and plant life (species richness) with few or no threatened species are called “biodiversity hotspots”.
(D) Biodiversity decreases from the equator to polar regions.
Option c – The richest reservoirs of animal and plant life (species richness) with few or no threatened species are called “biodiversity hotspots”
The total number of meiotic divisions required for forming 100 zygotes/100 grains of wheat is
(A) 100
(B) 75
(C) 125
(D) 50
Option c – 125
Identify the INCORRECT statement. ( MCQ on Bioinformatics )
(A) Production of hybrid seeds is costly.
(B) Hyb seeds have to be produced every year.
(C) Hybrid seeds are too expensive for farmers.
(D) If seeds collected from hybrids are kept for many years and then sown, the progeny plants still maintain the hybrid characters.
Option d – If seeds collected from hybrids are kept for many years and then sown, the progeny plants still maintain the hybrid characters.
We covered all the MCQ on bioinformatics above in this post for free so that you can practice well for the exam.
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