HARD
NEET
IMPORTANT
Earn 100

Match the column

Column I Column II
(a) Helobial (i) Cucurbita
(b) Hypophysis (ii) Areca
(c) Ruminate endosperm (iii) Removal of anther from floral bud
(d) Emasculation (iv)

Radicle

(e ) Mesogamy (v) Asphodelus

 

 

55.86% studentsanswered this correctly

Important Questions on Sexual Reproduction in Flowering Plants

EASY
NEET
IMPORTANT
The micropyle in a seed helps in the entry of
MEDIUM
NEET
IMPORTANT
Given below the following statements
A. Pollen grains are spherical and measures 25-50μm in diameter.
B. At germpore sporopollenin is absent
C. Pollen grain consumption increase performance of athletes and race horses
D. Pollen grains are shed in two celled stage in more than 60% angiospermic plants
How many statements are wrong -
EASY
NEET
IMPORTANT
What will be the ploidy of nucellus, endosperm, female gametophyte and antipodal cells?
MEDIUM
NEET
IMPORTANT
Mark the incorrect statements-
A. Dioecy prevents both autogamy and geitonogamy
B. Self incompatibility prevents inbreeding
C. Geitonogamy is ecological cross pollination but genetically it is similar to autogamy
D. Both xenogamy and Geitonogamy decrease inbreeding depression
EASY
NEET
IMPORTANT
The correct sequence of embryo formation is-
(a) Heart-shaped, globular, mature embryo, pro embryo.
(b) Pro embryo, mature embryo, globular, heart-shaped.
(c) Globular, pro embryo, heart-shaped, mature embryo.
(d) Pro embryo, globular, heart-shaped, mature embryo.