MCQ
Pollination by insect is
- ✓Entomophily
- BChiropterophily
- CAnemophily
- DAnemophily
Some agencies used in cross pollination are:
1.Insects (Entomophily)
2.Wind (Anemophily)
3.Water (Hydrophily)
4.Birds (Ornithophily)
5. Bats (Cheitropterophily).
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$I.$ It is phenomenon in which more recombinants are produced in $F_{2}$-generation
$II.$ More parental combination are produced in $F_{2}$-generation
$III.$ Genotype which are present in $F_{1}$ hybrid. Reappear in high frequency in $F_{2}$-generation
$IV.$ It is a phenomenon in which two chromosome are linked
$B.$ Humans are $\ldots \ldots$
$C.$ Fertilization is .... in humans
$D.$ Male and female gametes are.....
$E.$ Zygote is.....
$F.$ The process of release of ovum from a mature follicle is called.....
$G.$ Ovulation is induced by a hormone called ......
$H.$ The fusion of male and female gametes is called.......
$I.$ Zygote divides to form... which is implanted in uterus
$J.$ The structure which provides vascular connection between foetus and uterus is called......
Blanks in the statements $A$ to $J$ in the above statement is
$A$. This disorder was first described by Langdon Down $(1866)$.
$B$. Such an individual has overall masculine development. However, the feminine developement is also expressed.
$C$. The affected individual is short statured.
$D$. Physical, psychomotor and mental development is retarded.
$E$. Such individuals are sterile.
Choose the correct answer from the options given below: