Biology Today - February 2018

(Michael S) #1

  1. Replum, a false septum that develops between two parietal
    placentae is found in
    (a) $UJHPRQH (b) &DSSDULV
    (c) mustard (d) pea.

  2. Read the given statements and select the correct option.
    Statement A : In apocarpous ovary the flower has several
    free ovaries.
    Statement B : On maturity, apocarpous ovary forms fruitlet
    of aggregate type.
    (a) Both statements A and B are correct and B is the
    correct explanation of A.
    (b) Both statements A and B are correct but B is not
    the correct explanation of A.
    (c) Statement A is correct but B is incorrect.
    (d) Both statements A and B are incorrect.

  3. Match the column I with column II and select the correct option.
    Column I Column II
    A. Sunflower (i) Stamen
    B. Simple fruit (ii) Basal placentation
    C. Polyandrous (iii) Syncarpous ovary
    D Hypogynous (iv) Superior ovary
    (a) A-(ii), B-(iv), C-(i), D-(iii)
    (b) A-(iv), B-(iii), C-(i), D-(ii)
    (c) A-(ii), B-(i), C-(iii), D-(iv)
    (d) A-(ii), B-(iii), C-(i), D-(iv)

  4. In eucarp or true fruit, pericarp is formed from
    (a) ovary wall fused with thalamus
    (b) ovary wall only
    (c) ovary wall fused with base of sepals
    (d) ovary wall fused with petals.

  5. Banana is an example of
    (a) aggregate fruit (b) capsular fruit
    (c) schizocarpic fruit (d) succulent fruit.

  6. Which one of the following statements about apple is
    incorrect?
    (a) Fruit is simple, succulent, pome.
    (b) Fruit develops from an inferior compound ovary.
    (c) It is a true fruit.
    (d) The remains of sepals and stamens occur at the free end.

  7. Read the given statements related with coconut and select
    which ones are true (T) and which one are false (F).
    (i) Fruit has a membranous epicarp.
    (ii) The watery fluid is called “milk of coconut”.
    (iii) The fibrous endocarp yields coir.
    (iv) It is a type of fibrous berry.
    (i) (ii) (iii) (iv)
    (a) T T T F
    (b) T T F F
    (c)FTFT
    (d) F F T T

  8. Cucumber is a type of
    (a) berry (b) pepo (c) drupe (d) pome.
    15. Read the given statements and select the correct ones.
    (i) Aggregate fruit develops from an inflorescence.
    (ii) Composite fruit develops from a single flower.
    (iii) The fruit of fig is syconus.
    (iv) 7UDSD has drupe type of fruit.
    (a) (i) and (iii) (b) (i) and (ii)
    (c) (iii) and (iv) (d) (iii) only
    16. Identify A, B, C and D from the given
    figure of a fruit and select the
    correct statement regarding them.
    (i) A, B and C are parts of pericarp.
    (ii) B is stony part of this fruit.
    (iii) The type of fruit is pome.
    (iv) B is pulpy and edible.
    (a) (i) and (iv) (b) (i), (iii) and (iv)
    (c) (ii) and (iii) (d) (iv) only
    17. Read the given statements and select the correct option.
    Statement A : Endosperm is the food storing tissue of a seed.
    Statement B : In flowering plants endosperm is produced
    as a result of double fertilisation.
    (a) Both statements A and B are true and B is the
    correct explanation of A.
    (b) Both statements A and B are true but B is not the
    correct explanation of A.
    (c) Statement A is correct but B is incorrect.
    (d) Both statements A and B are incorrect.
    18. Match the column I with column II and select the correct
    option.
    Column I Column II
    A. Carpophore (i) 6LOHQH
    B. Gynophore (ii) 3DVVLIORUD
    C. Anthophore (iii) &OHRPH
    D. Androphore (iv) Coriander
    (a) A-(iv), B-(iii), C-(i), D-(ii)
    (b) A-(ii), B-(i), C-(iii), D-(iv)
    (c) A-(iv), B-(i), C-(iii), D-(ii)
    (d) A-(ii), B-(iv), C-(i), D-(iii)
    19. Read the given statements and select the incorrect option.
    (a) The purpose of fruit formation is to protect the seed
    against desiccation during their growth to maturity.
    (b) Caryopsis is a true fruit.
    (c) Nut is single-seeded, dehiscent, dry fruit.
    (d) All of the cereals are single-seeded fruits.
    20. Read the given statements and select which ones are true
    (T) and which one are false (F).
    I. A fertile and completely developed pistil is called
    pistillode.
    II. Sepals are persistent in poppy.
    III. The cotyledons of castor oil seed have palmate
    venation.
    IV. Diplostemonous stamens are present in &DVVLD.


A
B
C
D
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