MCQ
In majority of angiosperms
  • A
    egg has a filiform apparatus
  • B
    there are numerous antipodal cells
  • reduction division occurs inthe megaspore mother cells
  • D
    a small central cell is present in that embryo sac.

Answer

Correct option: C.
reduction division occurs inthe megaspore mother cells
c
(c)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Identify the incorrect statement.

$(i)$ Bacillus thuringiensis are available in sachets as dried spores which are mixed with kerosine and sprayed on to vulnerable plants

$(ii)$ B. thuringiensis are used to control butterfly caterpillars, but leave other insects unharmed

$(iii) $ The toxin of B. thuringiensis is released in the blood of larvae and the larvae get killed

$(iv)$ By the development of methods of genetic engineering B. thuringiensis toxin genes have been introduced

Which of the following statements about facilitated diffusion is incorrect :
Leaves of dicotyledonous plants possess _________ venation, while _________ venation is the characteristic of most monocotyledons
Which of the following are true statement for monocotyledonous leaf ?
(i) Stomata are present on both the surfaces of the epidermis.
(ii) Mesophyll is not differentiated into palisade and spongy parenchyma.
(iii) In grasses, certain abaxial epidermal cells along the veins modify themselves into bulliform cells.
(iv) When the bulliform cells in the leaves have loss water, the leaf surface is exposed but when they absorbed water make the leaves curl inwards to minimise water loss.
(v) The size of the vascular bundles are dependent on the size of the veins.
How many type of cells constitute a simple permanent tissue
Which is the basis of genetic mapping of human genome as well as $DNA$ finger printing?
Deposition of new materials inside the cell wall of cells starts in
Folding of inner membrane of mitochondria are called
Growth is measured by variety of parameters some of which are increase in

$a.$ Dry weight           $b.$ Fresh weight

$c.$ Volume                $d.$ Cell number

The given statements are some characters of a particular group of Kingdom protista.

$(i)$ Most of them are fresh water organisms found in standing water.

$(ii)$ They have a protein rich layer (called pellicle) which makes their body flexible.

$(iii)$ They have two flagella, a short and a long one.

$(iv)$ Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms. Identify the correct group on the basis of these characters.