Question

(d) Receptor Afferent nerve-Nerve centre
5 Decide which of the folowing pair is correct
(a) Sdera Inhibits reflection of scattered light (b) Choroid Protec
(c) Iris Acts as refractive medium
(d) Aqueous humor
Which of the following is not a structural component of DNA
(a) Deoxyribose sugar (6) Uracil base (c) Thymine base (d)
Select the corect feature of Chromosome from the following-
(a) Chromosome are distinct and clearly visible at prophase
(b) Daughter chromosomes move to opposite poles by contraction of spin
(c) Nuclear membrane and nucleolus disappear at telophase.
(d) in Sphase DNA replication and duplication of Chromosome occu
Identify the organism that reproduces asexually by multiple fission-
(a) plasmodium (b) Spirogyra (c) Hydra
(d) Planari
Select from the following the process of rapid raising of new plants fra
with the help of tissue culture technique is
a) Hybridisation (b) Micropropagation (c) Grafting
(d) Cut​

Answer 1

Choroid is for protection from extreme temperatures

Spindle fibers help the chromosome to move

Uracil is absent in DNA

Plasmodium reproduces asexually by M.Fission

Micropropagation