Maize grain is (a) A seed (b) An embryo (c) An ovule (d) A fruit

Maize grain is (a) A seed (b) An embryo (c) An ovule (d) A fruit
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The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)

Description : The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)

Last Answer : (d) (1) and (4).

Which one of the following statements is correct? (a) The seed in grasses is not endospermic. (b) Mango is a parthenocarpic fruit. (c) A proteinaceous aleurone layer is present in maize grain. (d) A sterile pistil is called a staminode.

Description : Which one of the following statements is correct? (a) The seed in grasses is not endospermic. (b) Mango is a parthenocarpic fruit. (c) A proteinaceous aleurone layer is present in maize grain. (d) A sterile pistil is called a staminode.

Last Answer : (c) A proteinaceous aleurone layer is present in maize grain.

A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate

Description : A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate

Last Answer : Ans. Seed

Megasporangium is equivalent to (a) nucellus (b) ovule (c) embryo sac (d) fruit

Description : Megasporangium is equivalent to (a) nucellus (b) ovule (c) embryo sac (d) fruit

Last Answer : (b) ovule

The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? (a) Cotyledon (b) Endosperm (c) Aleurone layer (d) Plumule

Description : The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? (a) Cotyledon (b) Endosperm (c) Aleurone layer (d) Plumule

Last Answer : (a) Cotyledon

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

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

Last Answer : (a) pea

Metaxenia is the impact of a. Pollen on seed b. Pollen on fruit c. Pollen on ovule d. Pollen on ovary

Description : Metaxenia is the impact of a. Pollen on seed b. Pollen on fruit c. Pollen on ovule d. Pollen on ovary

Last Answer : Pollen on ovule

In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the egg(c) the microsporangium in which pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.

Description : In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the ... pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.

Last Answer : (c) the microsporangium in which pollen grains develop

Difference between ovule and embryo sac. -Biology

Description : Difference between ovule and embryo sac. -Biology

Last Answer : answer:

Difference between ovule and embryo sac? -Biology

Description : Difference between ovule and embryo sac? -Biology

Last Answer : answer:

Difference between ovule and embryo sac. -Biology

Description : Difference between ovule and embryo sac. -Biology

Last Answer : answer:

Difference between ovule and embryo sac? -Biology

Description : Difference between ovule and embryo sac? -Biology

Last Answer : answer:

The ovule in which embryo sac become horse shoe shaped in: (a) Amphitropous (b) Camphylotropous (c) Orthotropous (d) Anatropous Ans. (a) ......................................................---------------------------......................................................................... BOTANY PRACTICE TEST SAMPLE QUESTIONS 1. Caruncle develops-from: (a) Outer integument (b) Ctyledon (c) Funiculus (d) Inner integuments

Description : The ovule in which embryo sac become horse shoe shaped in: (a) Amphitropous (b) Camphylotropous (c) Orthotropous (d) Anatropous Ans. (a) .................................. ... TEST SAMPLE QUESTIONS 1. Caruncle develops-from: (a) Outer integument (b) Ctyledon (c) Funiculus (d) Inner integuments

Last Answer : Ans. ((a))

.In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

Description : .In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

Last Answer : (a) nucellus or integuments

Embryo sac occurs in (a) embryo (b) axis part of embryo (c) ovule (d) endosperm.

Description : Embryo sac occurs in (a) embryo (b) axis part of embryo (c) ovule (d) endosperm.

Last Answer : (c) ovule

Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

Description : Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

Last Answer : (c) embryo sac

Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is (a) orthotropous (b) anatropous (c) campylotropous (d) amphitropous.

Description : Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is (a) orthotropous (b) anatropous (c) campylotropous (d) amphitropous.

Last Answer : a) orthotropous

An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is (a) hemitropous (b) campylotropous (c) anatropous (d) orthotropous.

Description : An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is (a) hemitropous (b) campylotropous (c) anatropous (d) orthotropous.

Last Answer : (a) hemitropous

Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other? (a) Amphitropous (b) Circinotropous (c) Atropous (d) Anatropous

Description : Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other? (a) Amphitropous (b) Circinotropous (c) Atropous (d) Anatropous

Last Answer : (a) Amphitropous

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

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.

In angiosperms, functional megaspore develops into (a) embryo sac (b) ovule (c) endosperm (d) pollen sac.

Description : In angiosperms, functional megaspore develops into (a) embryo sac (b) ovule (c) endosperm (d) pollen sac.

Last Answer : a) embryo sac

8. Embryo sac is located inside the 1. Stigma 2. Ovule 3. Micropyle 4. Style

Description : 8. Embryo sac is located inside the 1. Stigma 2. Ovule 3. Micropyle 4. Style

Last Answer : Ans: Ovule

Functional megaspore in an angiosperm develops into ? (1) Endosperm (2) Embryo sac (3) Embryo (4) Ovule

Description : Functional megaspore in an angiosperm develops into ? (1) Endosperm (2) Embryo sac (3) Embryo (4) Ovule

Last Answer : (2) Embryo sac

Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo

Description : Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo

Last Answer : Fruit

Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above

Description : Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above

Last Answer : All of the above

In Maize grain, plumule is covered by protective sheath called

Description : In Maize grain, plumule is covered by protective sheath called

Last Answer : In Maize grain, plumule is covered by protective sheath called A. Coeorhiza B. Coleoptile C. Tegmen D. Scutellum

Which of the following is NOT a food-grain? (a) Wheat (b) Rice (c) Maize (d) Jowar (e) Cotton

Description : Which of the following is NOT a food-grain? (a) Wheat (b) Rice (c) Maize (d) Jowar (e) Cotton

Last Answer : Ans: (e)

Which of the following is not a rabi crop? (a) Wheat (b) Maize (c) Mustard (d) Grain

Description : Which of the following is not a rabi crop? (a) Wheat (b) Maize (c) Mustard (d) Grain

Last Answer : Ans: (b)

Protein and oil per cent in Maize grain

Description : Protein and oil per cent in Maize grain

Last Answer : Ans.8–10 per cent and 4–5 per cent

Three crops that contribute maximum to global food grain production are ______. (1) wheat, rice, barley (2) rice, maize, sorghum (3) wheat, maize, sorghum. (4) wheat, rice, maize

Description : Three crops that contribute maximum to global food grain production are ______. (1) wheat, rice, barley (2) rice, maize, sorghum (3) wheat, maize, sorghum. (4) wheat, rice, maize

Last Answer : (4) wheat, rice, maize Explanation: Maize (corn), rice and whet are the three major foodgrains of the world. As per the 2012 figures, maize was the most important crop with production of 873 million metric tons. Rice and what came next with 738 and 671 million metric tons.

Three crops that contribute maximum to global food grain production are (a) wheat, rice and maize (b) wheat, rice and barley (c) wheat, maize and sorghum (d) rice, maize and sorghum.

Description : Three crops that contribute maximum to global food grain production are (a) wheat, rice and maize (b) wheat, rice and barley (c) wheat, maize and sorghum (d) rice, maize and sorghum.

Last Answer : (a) wheat, rice and maize

Percentage protein in maize grain is about (a) 2 (b) 5 (c) 10 (d) 9.2

Description : Percentage protein in maize grain is about (a) 2 (b) 5 (c) 10 (d) 9.2

Last Answer : (c) 10

The aleurone layer in maize grain is specially rich in (a) proteins (b) starch (c) lipids (d) auxins.

Description : The aleurone layer in maize grain is specially rich in (a) proteins (b) starch (c) lipids (d) auxins.

Last Answer : (a) proteins

Cotyledon of maize grain is called (a) coleoptile (b) scutellum (c) plumule (d) coleorhiza.

Description : Cotyledon of maize grain is called (a) coleoptile (b) scutellum (c) plumule (d) coleorhiza.

Last Answer : (b) scutellum

Three crops that contribute maximum to global food grain production are _________ (1) wheat, rice, barley (2) rice, maize, sorghum (3) wheat, maize, sorghum (4) wheat, rice, maize

Description : Three crops that contribute maximum to global food grain production are _________ (1) wheat, rice, barley (2) rice, maize, sorghum (3) wheat, maize, sorghum (4) wheat, rice, maize

Last Answer : wheat, rice, maize

Haploid cells belong to: (a) Integument, pollen grain, endosperm (b) Embryo, endosperm and pollen grain (c) Megaspore, pollen grain, antipodal (d) Integument, pollen grain and antipodal

Description : Haploid cells belong to: (a) Integument, pollen grain, endosperm (b) Embryo, endosperm and pollen grain (c) Megaspore, pollen grain, antipodal (d) Integument, pollen grain and antipodal

Last Answer : Ans. ((c))

In a cereal grain the single cotyledon of embryo is represented by (a) coleoptile (b) coleorhiza (c) scutellum (d) prophyll.

Description : In a cereal grain the single cotyledon of embryo is represented by (a) coleoptile (b) coleorhiza (c) scutellum (d) prophyll.

Last Answer : (c) scutellum

Point out the odd one. (a) Nucellus (b) Embryo sac (c) Micropyle (d) Pollen grain

Description : Point out the odd one. (a) Nucellus (b) Embryo sac (c) Micropyle (d) Pollen grain

Last Answer : (d) Pollen grain

The wheat grain has an embryo with one large, shield shaped cotyledon known as (a) scutellum (b) coleoptile (c) epiblast (d) coleorhiza.

Description : The wheat grain has an embryo with one large, shield shaped cotyledon known as (a) scutellum (b) coleoptile (c) epiblast (d) coleorhiza.

Last Answer : (a) scutellum

n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.

Description : n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.

Last Answer : (b) megaspore, pollen grain and endosperm

When does an ovule become a seed? -Biology

Description : When does an ovule become a seed? -Biology

Last Answer : answer:

Difference between ovule and seed. -Biology

Description : Difference between ovule and seed. -Biology

Last Answer : answer:

Difference between ovule and seed. -Biology

Description : Difference between ovule and seed. -Biology

Last Answer : answer:

When does an ovule become a seed? -Biology

Description : When does an ovule become a seed? -Biology

Last Answer : answer:

Difference between ovule and seed. -Biology

Description : Difference between ovule and seed. -Biology

Last Answer : answer:

Difference between ovule and seed. -Biology

Description : Difference between ovule and seed. -Biology

Last Answer : answer:

Which flower part develops from the ovule and is surrounded by the fruit?

Description : Which flower part develops from the ovule and is surrounded by the fruit?

Last Answer : C. seed

Which crops are sown in Rabi season? A. Oil Seed and Tobacco B. Barley and Mustard C. Wheat and Grain D. All of Them

Description : Which crops are sown in Rabi season? A. Oil Seed and Tobacco B. Barley and Mustard C. Wheat and Grain D. All of Them

Last Answer : ANSWER: D

The blue revolution is related with – (1) Fish production (2) Food grain production (3) Oil seed production (4) Milk production

Description : The blue revolution is related with – (1) Fish production (2) Food grain production (3) Oil seed production (4) Milk production

Last Answer : (1) Fish production Explanation: Blue Revolution is the water equivalent of the green revolution and primarily refers to the management of water resources, especially fish production. ... of the fisheries sector with increased investment, better training and development of infrastructure.