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Deepa
Subject: Biology
, asked on 17/4/21
Assertion (A): Respiration is an exothermic process.
Reason(R): The glucose combines with oxygen in the cells of
our body and provides energy.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
Answer
1
Deepa
Subject: Biology
, asked on 17/4/21
Assertion (A): Fertilization cannot take place in flowers if
pollination does not occur.
Reason(R): Fertilization requires both male and female gametes
in a flower.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
Answer
1
Deepa
Subject: Biology
, asked on 17/4/21
Assertion(A): The embryo gets nutrition from the mother's blood with the help of a special tissue
called placenta.
Reason(R): Placenta transfers glucose and oxygen
from the mother to the embryo.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
Answer
1
Deepa
Subject: Biology
, asked on 17/4/21
Assertion (A): Following reaction of iron is a redox reaction.
4Fe + 3O2 → 4Fe3+ + 6O2-
Reason(R): The metallic iron is oxidised to Fe3+ and O2 is
reduced to oxide ion.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
Answer
2
Dream Girl Nish@ ...😉
Subject: Biology
, asked on 25/8/20
What are genes ??
Answer
107
Mukhtar Ali
Subject: Biology
, asked on 5/12/20
The correct sequence of organs in female reproductive system for fertilization is:
(a) Ovary - Uterus -Fallopian tube - Oviducal funnel
(b) Ovary - Uterus - Oviducal funnel - Fallopian tube
(c) Ovary - Fallopian tube - Uterus - Oviducal funnel
(d) Ovary - Oviducal funnel - Fallopian tube - Uterus
Answer
2
😘purvi😘 (kittu)
Subject: Biology
, asked on 26/8/20
Please koi to bta do...What is diatomaceous earth?
Answer
97
꧁༒☠_rØçҜყ_☠︎༒...
Subject: Biology
, asked on 30/8/20
Hello koi hai??
Answer
81
Ena San
Subject: Biology
, asked on 15/9/20
Anyone want to talk with me????????
Answer
22
Mukhtar Ali
Subject: Biology
, asked on 19/12/20
A : In snails, sex is genetically determined.
R : In some animals, the temperature at which fertilized eggs are kept determines whether the animal
developing in the eggs will be male or female.
(1) Both (A) and (R) are true and (R) is the correct explanation of (A)
(2) Both (A) and (R) are true but (R) is not the correct explanation of (A)
(3) (A) is true but (R) is false
(4) (A) is false but (R) is true
Answer
5
Dream Girl Nish@ ...😉
Subject: Biology
, asked on 21/8/20
Chemical properties of bases ??
Answer
44
Mukhtar Ali
Subject: Biology
, asked on 5/12/20
The gestation period in human beings is about:
(a) 250 days (b) 300 days (c) 280 days (d) 200 days
Answer
5
Sujal Agarwal
Subject: Biology
, asked on 22/3/21
What happens when
a) Testosterone is released in the male reproductive system.
b) Pollen grain falls on the stigma of flower.
c) Egg fuses with the sperm cell.
d) A Planaria is cut into three different pieces.
e) Buds are formed on the notches of leaf of the Bryophyllum.
(5) Mark Question
Answer it ASAP, answer all questions
Answer
1
Harsh Singh
Subject: Biology
, asked on 2/11/20
Diff between layering and stem cutting..
Answer
24
꧁༒☠_rØçҜყ_☠︎༒...
Subject: Biology
, asked on 31/8/20
I'm back friends
Answer
51
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Next
What are you looking for?
Reason(R): The glucose combines with oxygen in the cells of
our body and provides energy.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
pollination does not occur.
Reason(R): Fertilization requires both male and female gametes
in a flower.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
Assertion(A): The embryo gets nutrition from the mother's blood with the help of a special tissue
called placenta.
Reason(R): Placenta transfers glucose and oxygen
from the mother to the embryo.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
4Fe + 3O2 → 4Fe3+ + 6O2-
Reason(R): The metallic iron is oxidised to Fe3+ and O2 is
reduced to oxide ion.
a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true.
(a) Ovary - Uterus -Fallopian tube - Oviducal funnel
(b) Ovary - Uterus - Oviducal funnel - Fallopian tube
(c) Ovary - Fallopian tube - Uterus - Oviducal funnel
(d) Ovary - Oviducal funnel - Fallopian tube - Uterus
R : In some animals, the temperature at which fertilized eggs are kept determines whether the animal
developing in the eggs will be male or female.
(1) Both (A) and (R) are true and (R) is the correct explanation of (A)
(2) Both (A) and (R) are true but (R) is not the correct explanation of (A)
(3) (A) is true but (R) is false
(4) (A) is false but (R) is true
(a) 250 days (b) 300 days (c) 280 days (d) 200 days
a) Testosterone is released in the male reproductive system.
b) Pollen grain falls on the stigma of flower.
c) Egg fuses with the sperm cell.
d) A Planaria is cut into three different pieces.
e) Buds are formed on the notches of leaf of the Bryophyllum.
(5) Mark Question
Answer it ASAP, answer all questions