Biological Classification Class 11 MCQ. We covered all the Biological Classification Class 11 MCQ in this post for free so that you can practice well for the exam.
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MCQ on Biological Classification for NEET Students
Which of the following statement is true for secondary growth?
(A) It occurs in stems of dicots as well as monocots.
(B) It occurs through the activity of the vascular cambium and cork cambium.
(C) It contributes to the elongation of plants.
(D) It occurs by the activity of apical meristem.
Option b – It occurs through the activity of the vascular cambium and cork cambium.
Read the given statements and select the correct option. i. The apoplast pathway is the system of adjacent cell walls that is continuous throughout the plant, except at the Casparian strips. ii. In symplast movement, the movement of water occurs exclusively through the intercellular spaces and walls of the cells. iii. The movement of water through the apoplast does not involve crossing the cell membrane. iv. During symplast movement, water enters the cells through the cell membrane.
(A) i and ii are correct
(B) ii and iii are incorrect
(C) i, ii and iii are incorrect
(D) i, iii and iv are correct
Option d – i, iii and iv are correct
All solution has
(A) higher water potential than pure water
(B) lower water potential than pure water
(C) zero water potential
(D) water potential equal to pure water
Option b – lower water potential than pure water
In Larkspur, the leaves of juvenile plants are different in shape from those of mature plants. This is an example of
(A) heterophylly
(B) phototropism
(C) photoperiodism
(D) vernalization
Option a – heterophylly
Water potential of pure water is always
(A) greater than one
(B) negative
(C) zero
(D) one
Option c – zero
A high concentration of 2, 4-D is used for
(A) weed control
(B) controlling cell enlargement
(C) preventing the growth of lateral buds
(D) enhancing root initiation
Option a – weed control
Read the given statements about Racemose inflorescence and select the correct option. Statement I: In this type of inflorescence, the main axis continues to grow. Statement II: In Racemose inflorescence, flowers are borne in a basipetal order. Statement III: In this type of inflorescence the main axis terminates in a flower. The correct statement/s is/are
(A) Statement I and III
(B) Statement I
(C) Statement II and III
(D) Statement III
Option a – Statement I and III
……… hormone promotes internode elongation in plants with rosette habit.
(A) Auxin
(B) Abscisic acid
(C) Gibberellin
(D) Cytokinin
Option a – Auxin
Read the given statements with respect to facilitated diffusion. Statement I: In symport, both molecules move in opposite directions. Statement II: In uniport, a molecule moves independently of other molecules. Statement III: In antiport, both molecules move in the same direction. The incorrect statement/s is/are
(A) Statement (I) and (II)
(B) Statement (II)
(C) Statement (I) and (III)
(D) Statement (III)
Option b – Statement (II)
Read the following statements: i. Neem shows palmately compound leaves. ii. When the lamina of the leaf is incised and incisions do not touch the midrib, the leaf is said to be entire. iii. Long thin flexible petioles help in cooling the leaf and bringing fresh air to the leaf surface. Of the statements given above
(A) (iii) is correct and (i) and (ii) are incorrect.
(B) (i) is correct and (ii) and (iii) are incorrect.
(C) (i) is incorrect and (ii) and (iii) are correct.
(D) (ii) is incorrect and (i) and (ii) are correct.
Option d – (ii) is incorrect and (i) and (ii) are correct
Free central and basal placentation is shown by ……. and ……….. plants respectively.
(A) Pea; Dianthus
(B) Primrose; Sunflower
(C) Tomato : Marigold
(D) Argemone; China rose
Option b – Primrose; Sunflower
The arrangement of flowers on floral axis is termed as
(A) phyllotaxy
(B) aestivation
(C) inflorescence
(D) placentation
Option c – inflorescence
Read the given statements and select the correct option. Statement I: Growth is always accompanied by both anabolic and catabolic processes. Statement II: In plants, an open form of growth is observed.
(A) Statement I is correct.
(B) Statement II is correct.
(C) Both statements I and II are correct.
(D) Both statements I and II are incorrect.
Option c – Both statements I and II are correct.
Select the INCORRECT statement about soybean flowers.
(A) Petals show vexillary aestivation of corolla
(B) Belongs to the potato family
(C) Stamens are diadelphous
(D) Corolla is papilionaceous
Option b – Belongs to the potato family
The micronutrient required for the synthesis of auxin is
(A) Ca
(B) P
(C) K
(D) Zn
Option d – Zn
Read the given statements. i. Redifferentiated cells are the ones that are produced by dedifferentiation but have lost the capacity to divide. ii. Redifferentiated cells are produced at the root cap region. iii. Redifferentiated cells possess the capacity to divide but do not perform any specific function. The correct statement/s is/are
(A) i and ii
(B) Only i
(C) Only ii
(D) i, ii and iii
Option b – Only i
Select the INCORRECT statement from the following.
(A) Negatively geotropic roots are found in Rhizophora.
(B) Turmeric is an underground modification of roots.
(C) Turnip is a tap root modified for the storage of food.
(D) Tendrils in cucumber help plants climb.
Option b – Turmeric is an underground modification of roots
Which of the following is an intrinsic factor controlling plant developmental processes?
(A) Nutrition
(B) Light
(C) Oxygen
(D) Phytohormones
Option d – Phytohormones
We covered all the biological classification class 11 MCQ above in this post for free so that you can practice well for the exam.
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