(a) micropyle, mesogamy (b) integuments, mesogamy
(c) funicle, mesogamy (d) chalaza, chalazogamy- In ovoviviparous animals
(a) the egg remains inside the mother’s body after
fertilisation and placenta develops for nourishment
(b) the mother gives birth to the young one
(c) the mother lays unfertilised calcareous eggs
(d) the development of the embryo takes place outside the
mother’s body. - Identify the technique of grafting from the given statements.
I. Numerous scions are selected and cut at the base to
form wedges.
II. Many slits are formed on stock.
III. Stock has larger diameter than scions.
IV. Scions are inserted in the slits and held by bandages.
(a) Approach grafting (b) Crown grafting
(c) Side grafting (d) Wedge grafting - The type of ovule that is half inverted and at right angle to
the funiculus is called
(a) anatropous ovule (b) hemitropous ovule
(c) circinotropous ovule (d) amphitropous ovule. - Read the following statements and select the correct option.
Statement 1 : There is no genetic variability in vegetatively
propagated plants.
Statement 2 : The plants obtained vegetatively degenerate
easily as they show less adaptability to the changes in
environment.
(a) Both statements 1 and 2 are true and statement 2 is
the correct explanation of statement 1.
(b) Both statements 1 and 2 are true but statement 2 is
not the correct explanation of statement 1.
(c) Statement 1 is true but statement 2 is false.
(d) Both statements 1 and 2 are false.
- Match column I with column II and column III and select the
correct option.
Column I Column II Column III
A. Offset (i) One internode p. Vallisneria
long runners
B. Runners (ii) Slender underground q. Oxalis
branches at base of
aerial stem
C. Suckers (iii) Narrow, green, r. Pistia
horizontal branches
at the base of a crown
D. Stolons (iv) Arched horizontal s. Mint
branches at the base
of a crown
(a) A-(i)-r; B-(iii)-q; C-(ii)-s; D-(iv)-p
(b) A-(ii)-q; B-(i)-r; C-(iv)-p; D-(iii)-s
(c) A-(iii)-r; B-(i)-q; C-(iv)-p; D-(ii)-s
(d) A-(i)-s; B-(ii)-p; C-(iv)-q; D-(iii)-r- Select the wrongly matched pair.
(a) Exine - Sporopollenin
(b) Intine - Pecto-cellulosic
(c) Pollen mother cells - Callose
(d) Pollenkitt - Proteins - Read the following statements about a dicot embryo and
select the option that correctly fills the blanks.
(i) The part of embryonal axis that is present above the
level of cotyledons is called __.
(ii) __ is the part of embryonal axis present below
the level of cotyledons.
(iii) The root tip is called __.
(i) (ii) (iii)
(a) hypocotyl Epiblast calyptra
(b) epicotyl Hypocotyl radicle
(c) plumule Coleoptile epiblast
(d) epiblast Epiblast calyptra - The spores that are produced exogenously, either singly or in
chains, by constriction at the tip of special hyphal branches
are called
(a) oidia (b) sporangiospores
(c) conidia (d) chlamydospores. - Identify the type of pollination from the given floral
characteristics.
I. Pollen grains are light, smooth, non-sticky and dry.
II. Anthers and stigma are protruding.
III. Flowers are small, colourless and nectarless.
IV. Stigma is hairy and feathery.
(a) Hydrophily (b) Anemophily
(c) Zoophily (d) Entomophily
I AN U RI ME C
O YTB P HS LAN
D
M
Send your response at [email protected] or post to us with complete address by 25th of
every month to win exciting prizes. Winners’ name will be declared on 1st of every
month on http://www.mtg.in- Make as many biological terms as possible
using the given letters. Each word should
contain the letter given in circle. - Minimum 4 letter word should be made.
- In making a word, a letter can be used as
many times as it appears in the box. - Make at least 1 seven letter word.