Living World Class 11 NEET Questions. We covered all the Living World Class 11 NEET Questions in this post for free so that you can practice well for the exam.
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MCQ on Living World for NEET Students
The motile bacteria are able to move by
(A) Fimbriae
(B) Flagella
(C) Cilia
(D) Pili
Option b – Flagella
Which of the given statements is TRUE? i. Symplast pathway consists of non-living parts of the plant body, i.e. cell walls and intercellular spaces. ii. In the apoplast pathway, water movement is fast. iii. In the symplast pathway, water movement occurs along the interconnected protoplast through plasmodesmata.
(A) i, ii and iii
(B) ii and iii
(C) i and iii
(D) i and ii
Option b – ii and iii
Cyclic photophosphorylation results in the formation of
(A) ATP and NADPH
(B) ATP, NADPH, and O₂
(C) ATP
(D) NADPH
Option c – ATP
C4 plants are more efficient in photosynthesis than C3 plants due to
(A) higher leaf area
(B) presence of a larger number of chloroplasts on the leaf cells
(C) presence of thin cuticle
(D) lower rate of photorespiration
Option d – lower rate of photorespiration
Identify the WRONG statement with respect to Krebs’ cycle.
(A) There are three points in the cycle where NAD is reduced to NADH+H.
(B) There is one point in the cycle where FAD is reduced to FADH₂.
(C) During the conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesized.
(D) The cycle starts with the condensation of the acetyl group (acetyl CoA) with pyruvic acid to yield citric acid.
Option d – The cycle starts with the condensation of the acetyl group (acetyl CoA) with pyruvic acid to yield citric acid.
Select the correct statement from the following regarding asexual reproduction. i. It is slower than sexual reproduction. ii. It involves a single parent. iii. It produces progeny that is genetically identical to the parent. iv. Clones are the progeny of asexual reproduction.
(A) i, ii, iii, iv
(B) i, ii, iv
(C) i, ii, iii
(D) ii, iii, iv
Option d – ii, iii, iv
F₁ generation means
(A) first flowering generation
(B) first fertile generation
(C) first filial generation
(D) first seed generation
Option c – first filial generation
Germplasm collection refers to
(A) collection of all alleles for all g genes in a crop.
(B) collection of all alleles for a few genes in a crop.
(C) collection of different alleles for all genes in different crop plants.
(D) collection of a few alleles for all genes in several crop plants.
Option a – collection of all alleles for all g genes in a crop.
Which of the following is INCORRECT regarding variation in temperature?
(A) Temperature increases progressively from the equator toward the poles.
(B) In tropical deserts, the temperature is greater than 50°C.
(C) In deep-sea hydrothermal vents, temperature exceeds 100°C.
(D) The temperature in polar areas falls below 0°C.
Option a – Temperature increases progressively from the equator toward the poles.
The monoecious plant of Chara shows the occurrence of
(A) antheridiophore and archegoniophore on the same plant.
(B) stamen and carpel on the same plant.
(C) upper antheridium and lower oogonium on the same plant.
(D) upper oogonium and lower antheridium on the same plant.
Option d – upper oogonium and lower antheridium on the same plant.
What is the direction of the micropyle in the anatropous ovule? ( Living World Class 11 NEET Questions )
(A) Upward
(B) Downward
(C) Right
(D) Left
Option b – Downward
Identify the CORRECT statements from the following. i. DNA acts as genetic material in most organisms. ii. RNA acts as genetic material in some viruses. iii. DNA acts as an adapter, structural and catalytic molecule in most biochemical reactions. iv. Nucleic acids are of two types i.e. DNA and RNA.
(A) i, ii and iii
(B) ii and iii
(C) i, ii and iv
(D) ii and iv
Option c – i, ii and iv
In Mendel’s experiments with the garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), and yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy?
(A) Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons
(B) Only round seeds with green cotyledons
(C) Only wrinkled seeds with yellow cotyledons
(D) Only wrinkled seeds with green cotyledons
Option a – Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons
Among the terms listed below, those that are not technically correct names for a floral whorl are i. Androecium Carpel iii. Corolla iv. Sepal
(A) i and iv
(B) iii and iv
(C) ii and iv
(D) i and ii
Option c – ii and iv
In the Bacteriophage the arrangement of its parts (Top to bottom) is as follows: I. Head containing DNA II. Sheath III. Collar IV. Tail fibers V. Base plate The correct sequence is :
(A) II, IV, III, I, V
(B) II, I, IV, V, III
(C) I, II, IV, III, V
(D) I, III, II, V, IV
Option d – I, III, II, V, IV
A fibrous root system is better adapted than a tap root system for
(A) storage of food
(B) anchorage of the plant to soil
(C) vegetative propagation
(D) transport of water and organic food
Option b – anchorage of the plant to soil
Identify the CORRECT features of Mango and Coconut fruits. (i) In both fruit is a drupe. (ii) Endocarp is edible in both. (iii) Mesocarp in Coconut is fibrous, and in Mango it is fleshy. (iv) In both, the fruit develops from the monocarpellary ovary. Select the correct option from below :
(A) (i), (ii) and (iii) only
(B) (i) and (iv) only
(C) (i) and (ii) only
(D) (i), (iii) and (iv) only
Option d – (i), (iii) and (iv) only
Opt for the appropriate way of writing biological name from below
(A) Mangifera Indica
(B) Panthera leo
(C) Solanum tuberosum
(D) Solanum nigrum
Option c – Solanum tuberosum
A zoological garden has all of the following characteristics, except
(A) wild animals are under human care.
(B) wild animals are provided with conditions similar to their natural habitat.
(C) it enables us to understand the skeletons and integumentary systems of wild animals.
(D) it enables us to know about the food habits and behavior of wild animals.
Option c – it enables us to understand the skeletons and integumentary systems of wild animals.
Read the given statements. Statement I: A group of organisms belonging to the kingdom Monera is a producer of biogas. Statement II: Methanogens present in the gut of ruminant animals help them in the fermentation of cellulose. The correct statement/s is/are
(A) Statement I
(B) Statement II
(C) Both statements I and II
(D) Neither statement I nor II
Option c – Both statements I and II
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