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Champ Jee
Subject: Science
, asked on 21/2/18
Q. 13
13.
State the changes that take place in the uterus when :
a. Implantation of embryo has occurred.
b. Female gamete / egg is not fertilised.
Answer
1
Gouri Lahoti
Subject: Science
, asked on 21/2/18
Solve this:
Q28. Following diagrams were drawn by different student on having seen prepared slides of budding in yeast.
Correct diagrams are
(A) I , II, III
(B) II , III , IV
(C) III , IV , V
(D) I , IV , V
Answer
5
Gouri Lahoti
Subject: Science
, asked on 21/2/18
Answer the question. And also tell what is the difference between 2nd and 5th figures.
Q27. From the following diagrams, select correct ones showing stages of binary fission in Amoeba:
(A I , II, III
(B) IV, II , III
(C) V, II , III
(D) IV, I, III
Answer
2
Dipendu Gupta
Subject: Science
, asked on 21/2/18
Please tell the answer of number 15 and 16
15.
What are the various parts of an embryo of a dicot seed?
16.
What are cotyledons? What is their function in a seed? How is bean seed different from maize seed on the basis of number of cotyledons?
Answer
4
Dipendu Gupta
Subject: Science
, asked on 21/2/18
Please tell the answer of number 17 and 18
17.
What do you understand by the terms: hypocotyl and epicotyl?
18.
Differentiate between plumule and radicle.
Answer
1
Dipendu Gupta
Subject: Science
, asked on 21/2/18
Please tell the answer of the following questions
5. Plumule, radicle and cotyledons are formed from
(a) ovary. (b) zygote. (c) ovule. (d) stigma
6. Testa of a seed is formed from
(a) integuments of an ovule. (b) ovule stalk.
(c) zygote. (d) ovary.
Answer
4
Dipendu Gupta
Subject: Science
, asked on 21/2/18
Please tell the answers of all the following questions
11. Growing plant inside a space shuttle does not show
(a) phototropism. (b) photomorphogenesis.
(c) geotropism. (d) aerotropism.
12. The coating outside the seed protects the
(a) cotyledons and micropyle. (b) hypocotyl and epicotyl.
(c) micropyl and epicotyl. (d) cotyledons and baby plant.
13. Essential conditions to be fulfilled for germination of seed are
(a) carbon dioxide, temperature, water and soil.
(b) oxygen, carbon dioxide, soil and water.
(c) oxygen, water, soil and temperature.
(d) water, oxygen, temperature and carbon dioxide.
14. The first leaves of a germinating seed are produced by
(a) epicotyl. (b) hypocotyl.
(c) cotyledon. (d) radicle.
Answer
1
Dipendu Gupta
Subject: Science
, asked on 20/2/18
Please tell the answer of all the questions related to a particular experiment of observing different parts of a seed
Answer
1
Dipendu Gupta
Subject: Science
, asked on 20/2/18
Please tell the answer of all the questions of this experiment
Answer
2
Simran Dalvi
Subject: Science
, asked on 20/2/18
Define reproduction. How does it help in providing stability to the population of a species?
[3 marks]
Also.give the mark distribution for the question
Answer
3
Gouri Lahoti
Subject: Science
, asked on 19/2/18
Q.12. Which plant have non-endospermic seed?
(a). Dicot
(b) Monocot
(c) Gymnosperms
(d) Mosses
Answer
1
Shrish Vaidya
Subject: Science
, asked on 19/2/18
answer 12th and 15th question plzzzzzz no links
12. List any four methods of contraception used by humans. How does the use of three
methods have a direct effect on the heath and prosperity of a family? 3
15. List in tabular form, two distinguishing features between the acquired traits and the
inherited traits With one example of each .
Answer
3
Khushi Jain
Subject: Science
, asked on 18/2/18
Terms used for cross pollination by agents like water animals wind
Answer
2
Dhadkan Sharma
Subject: Science
, asked on 18/2/18
Hi sir I'm Dhadkan . I had a doubt in chapter how do organisms reprodure. can u plss tell me all the 4 functions of placenta.
i cant find it anywhere n also it was der in almost all sample papers.
THANK YOU
Answer
1
Champ Jee
Subject: Science
, asked on 13/2/18
List any four methods of contraception used by humans. How does the use of three methods have a direct effect on the heath and prosperity of a family?
Answer
4
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What are you looking for?
13. State the changes that take place in the uterus when :
a. Implantation of embryo has occurred.
b. Female gamete / egg is not fertilised.
Q28. Following diagrams were drawn by different student on having seen prepared slides of budding in yeast.
Correct diagrams are
(A) I , II, III
(B) II , III , IV
(C) III , IV , V
(D) I , IV , V
Q27. From the following diagrams, select correct ones showing stages of binary fission in Amoeba:
(A I , II, III
(B) IV, II , III
(C) V, II , III
(D) IV, I, III
15. What are the various parts of an embryo of a dicot seed?
16. What are cotyledons? What is their function in a seed? How is bean seed different from maize seed on the basis of number of cotyledons?
17. What do you understand by the terms: hypocotyl and epicotyl?
18. Differentiate between plumule and radicle.
5. Plumule, radicle and cotyledons are formed from
(a) ovary. (b) zygote. (c) ovule. (d) stigma
6. Testa of a seed is formed from
(a) integuments of an ovule. (b) ovule stalk.
(c) zygote. (d) ovary.
11. Growing plant inside a space shuttle does not show
(a) phototropism. (b) photomorphogenesis.
(c) geotropism. (d) aerotropism.
12. The coating outside the seed protects the
(a) cotyledons and micropyle. (b) hypocotyl and epicotyl.
(c) micropyl and epicotyl. (d) cotyledons and baby plant.
13. Essential conditions to be fulfilled for germination of seed are
(a) carbon dioxide, temperature, water and soil.
(b) oxygen, carbon dioxide, soil and water.
(c) oxygen, water, soil and temperature.
(d) water, oxygen, temperature and carbon dioxide.
14. The first leaves of a germinating seed are produced by
(a) epicotyl. (b) hypocotyl.
(c) cotyledon. (d) radicle.
[3 marks]
Also.give the mark distribution for the question
(a). Dicot
(b) Monocot
(c) Gymnosperms
(d) Mosses
12. List any four methods of contraception used by humans. How does the use of three
methods have a direct effect on the heath and prosperity of a family? 3
15. List in tabular form, two distinguishing features between the acquired traits and the
inherited traits With one example of each .
i cant find it anywhere n also it was der in almost all sample papers.
THANK YOU