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Syllabus
endosperm tissue. The cells of this tissue are fined with
reserve food materials and are use or e nutrition of
the developing the PEN undergoes successive
nuclear divisions to give rise to free nuclei. This stage of
endosperm development is called free-nuclear endosperm.
Subsequently cell wall formation occurs and the
endosperm becomes cellular. The number of free nuclei
formed before cellularisation varies greatly The coconut
water from tender coconut that you are familiar with, is
nothing but free- nuclear endosperm (made up of
thousands of nuclei) a n surrounding white kernel is the cellular endosperm.
Endosperm may either be completely consumed by the
developing embryo (e.g.. pea. groundnut, beans) before seed
105. An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as
(a) apospory
(b) apogamy
(c) parthenogenesis
(d) parthenocarpy
Q.13. One of the legal methods of birth control is
(a) abortion by taking an appropriate medicine
(b) by abstaining from coitus from day 10-17 of the menstrual cycle
(c) by having coitus at the time of day break
(d) by a premature ejaculation during coitus
Nearly 45 to 50 millions MTPs are performed in a year all over the world which accounts to 1/5th of the total number of conceived pregnancies in a year.
i)Colour blindness is common in males not in females.
ii)Salt water gargling is good for throat infection.
iii)Menstrual cycle cannot occur during pregnancy.
(i) Implantation
(ii) gestation
(iii) Parturition
1Formalin is an example of antiseptic
2 sulphadiazine is an example of antiseptic