Q (3) Prove that
Q(4) Prove that
Q(5) Prove that
Q (6) Prove that
Q(7) Prove that
Find in
Q (8)
, x in quadrant II
Find in
Q (9)
, x in quadrant III
Find in
Q (10)
,x in quadrant II
Q4. Fill up the blanks with the words given:
herbivore, plant, milk, sugarcane, carnivore
(a) Tiger is a _______________ because it eats only meat.
(b) Deer eats only plant products and so, is called ______________.
(c) Parrot eats only _______________ products.
(d) The ________________ that we drink, which comes from cows, buffaloes and goats is an animal product.
(e) We get sugar from ________________.
Q.4 Write down all the subsets of the following sets
(i) {a}
Q.4 Write down all the subsets of the following sets:
(ii) {a, b}
Q.4 Write down all the subsets of the following sets:
(iii) {1,2,3}
Q.4 Write down all the subsets of the following sets:
(iv)
Q.5 How many elements has P(A), if A = ?
Q.6 Write the following as intervals :
(i) {x : x R, – 4 x 6}
(ii) {x : x R, – 12 x –10}
(iii) {x : x R, 0 x 7}
(iv) {x : x R, 3 x 4}
Q 15)
Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?
Mystus
Mangur
Mrigala
Mackerel
Match the corresponding entries of column 1 with column 2 [where m is the magnification produced by the mirror]
Column 1 |
Column 2 |
(A) m = -2 |
(a) Convex mirror |
(B) |
(b) Concave mirror |
(C) m = +2 |
(c) Real image |
(D) |
(d) Virtual image |
A b and c; B b and c; C b and d; D a and d
A a and c; B a and d; C a and b; D c and d
A a and d; B b and c; C b and d; D b and c
A c and d; B b and d; C b and c; D a and d
If the velocity of a particle is , where A and B are constants, then the distance travelled by it between 1s and 2s is:
Taylor conducted the experiments to prove semiconservative mode of chromosome replication on
Vinca rosea
Vicia faba
Drosophila melanogaster
E. coli
Which of the following pairs of ions are isoelectronic and isostructural ?
For its action, nitrogenase requires:
Light
Mn2+
Super oxygen radicals
High input of energy
Water containing cavities in vascular bundles are found in :
Sunflower
Maize
Cycas
Pinus
Perisperm differs from endosperm in:
its formation by fusion of secondary nucleus with several sperms
being a haploid tissue
having no reserve food
being a diploid tissue
A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin.
This is the result of:
Over secretion of pars distalis
Deficiency of iodine in diet
Low secretion of growth hormone
Cancer of the thyroid gland