An egg of bird was coated with varnish and then incubated . The egg did not hatch because the developing embryo

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An egg of bird was coated with varnish and then incubated . The egg did not hatch because the ... supply D. died because of toxic effect of varnish

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Description : Which of the following statements best describes the material known as varnished cambric? A. Felted asbestos sealed with varnish. B. Cotton cloth coated with insulating varnish. C. Rubber ... Paper impregnated with mineral oil, specially wrapped with nonmetallic tape, and coated with varnish.

Last Answer : Answer: B

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Description : Do pandas hatch from a egg?

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Description : How do you hatch a egg without a incubator?

Last Answer : Dampen a hand towel thoroughly with warm water. Wrap the egg in the towel, being careful to move slowly and not shake the egg. Place the damp towel with the egg in the ceramic bowl. Place the bowl six to twelve inches below the heat lamp, depending on the size and strength of the lamp.

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Description : If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is A. 200 ppm B. 225 ppm C. 250 ppm D. None of these

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Description : If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l

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Description : Which of the following statements is correct with reference to a test tube baby? (a) Fertilisation of the egg is effected outside the body; the fertilised egg is then placed in the womb of the mother ... . (d) Fertilisation of the egg and growth of the embryo are affected in a large test tube.

Last Answer : (a) Fertilisation of the egg is effected outside the body; the fertilised egg is then placed in the womb of the mother where the gestation is completed.

Description : Which is the membrane that protects the developing embryo from desication? -Do You Know?

Last Answer : answer:

Description : What is the developing embryo called after the first 2 months?

Last Answer : After the 8th week, the embryo is called a fetus.

Description : Young embryo is removed from developing seeds and planted on a suitable nutrient medium in vitro is called as

Last Answer : Ans. Embryo culture

Description : Endosperm is consumed by developing embryo in the seed of (a) pea (b) maize (c) coconut (d) castor.

Last Answer : (a) pea

Description : Stem cells which are capable of developing into other types of cells come from the (1) roots (2) stem (3) embryo (4) flower

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Description : In an area where DDT had been used extensively, the  population of birds declined significantly because (a) birds stopped laying eggs (b) earthworms in the area got eradicated (c) cobras were feeding exclusively on birds (d) many of the birds eggs laid, did not hatch.

Last Answer : (d) many of the birds eggs laid, did not hatch.

Description : In an area where DDT had been used extensively, the population of birds declined significantly because (a) birds stopped laying eggs (b) earthworms in the area got eradicated (c) cobras were feeding exclusively on birds (d) many of the birds eggs laid, did not hatch

Last Answer : (d) many of the birds eggs laid, did not hatch.

Description : 74. In an area where DDT had been used extensively, the population of birds declined significantly because (1) Many of the birds eggs laid, did not hatch (2) Birds stopped laying eggs (3) Earthworms in the area got eradicated (4) Cobras were feeding exclusively on birds

Last Answer : Cobras were feeding exclusively on birds

Description : What is the egg cell in the embryo sac? -Biology

Last Answer : answer:

Description : What is the egg cell in the embryo sac? -Biology

Last Answer : answer:

Description : Development of animal embryo from egg without fertilization is called :

Last Answer : Development of animal embryo from egg without fertilization is called : A. Parthenogenesis B. Parthenocarpy C. Apospory D. Apomixis

Description : Embryo originates from unfertilized egg

Last Answer : Ans. Parthenogenesis

Description : In the case of test tube babies (1) egg is fertilized in the uterus. (2) embryo completes its development in a test tube. (3) embryo is placed in uterus after 2 months. (4) egg is fertilized outside mother's body.

Last Answer : (3) embryo is placed in uterus after 2 months. Explanation: Prior of the implantation of the blastocyst the uterus of the recipient mother should be made ready to receive the embryo. This is ... done with the hormonal treatment. The blastocyst is introduced into the uterus by one of the two methods

Description : Development of embryo from unfertilized egg is known as A) Parthenogenesis B) Parthenocarpy C) Apomixsis D) None of the above

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Last Answer : nucellus

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Description : What does the filiform apparatus do at the entrance into ovule? (a) It brings about opening of the pollen tube. (b) It guides pollen tube from a synergid to egg. (c) It helps in the entry of pollen tube into a synergid. (d) It prevents entry of more than one pollen tube into the embryo sac

Last Answer : (b) It guides pollen tube from a synergid to egg.

Description : In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.

Last Answer : (c) reduction division occurs in the megaspore mother cells

Description : Parthenogenesis is (a) development of embryo without fertilisation (b) development of fruit without fertilisation (c) development of fruit without hormones (d) development of embryo from egg without fertilisation.

Last Answer : (d) development of embryo from egg without fertilisation.

Description : Given below are the events that lead to pregnancy and development of embryo i. fertilisation of egg ii. maturation of egg iii. release of egg iv. embedding of embryo in uterus a) i, ii, iii, iv b)ii, i, iii, iv c)i, iv , ii, iii d)ii, iii, i , iv,

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Description : Microsporogenesis is the formation of : a) Microspore b) Megaspore c) Egg d) Embryo sac

Last Answer : Ans : a) Microspore

Description : In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids

Last Answer : Ans: c)Embryo sac

Description : When the embryo develops from haploid egg cell without fertilization, the phenomenon is called as

Last Answer : When the embryo develops from haploid egg cell without fertilization, the phenomenon is called as – Haploid parthenogenesis

Description : In the case of test tube babies (1) egg is fertilized in the uterus. (2) embryo completes its development in a test tube. (3) embryo is placed in uterus after 2 months. (4) egg is fertilized outside mother’s body. 

Last Answer : embryo is placed in uterus after 2 months.

Description : Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its (A) Lower cost (B) Abundant availability (C) Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry (D) None of these

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Description : Which bird includes its egg on its feet?

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Description : Which flightless bird lays the world's largest egg?

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Description : Do house spiders die soon after their eggs hatch?

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Description : What hatch would be going occurring on Lake Washington today?

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Description : Can fish eggs hatch in an aquarium?

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Last Answer : The plane was flying upside down!

Description : Hatch-Slack pathway is present in which type of plants? -Biology

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Description : In Hatch-Slack pathway, carboxylation occurs how many times? -Biology

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Description : In Hatch-Slack pathway, carboxylation occurs how many times? -Biology

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