The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) .....................................................--------------------------------.................................................................... Botany. Model Paper for Various Medical Entrance Examinations 1. Which is correct statement? (1) Seed can not be formed after on fertilization (2) Seed is formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization

The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) .....................................................--------------------------------.................................................................... Botany. Model Paper for Various Medical Entrance Examinations 1. Which is correct statement? (1) Seed can not be formed after on fertilization (2) Seed is formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization
by

1 Answer

Answer :

Ans. ((c))
by
selected

Related questions

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))

Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................-----------------------------------------.................................................. PMT COACHING CLASSES (Zoology+Botany) – PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera

Description : Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................----- ... - PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera

Last Answer : Ans. ((a))

Single celled laticifers are called as

Description : Single celled laticifers are called as

Last Answer : Single celled laticifers are called as – Non-articulated laticifer

What is the seed after fertilization ?

Description : What is the seed after fertilization ?

Last Answer : After fertilization, the egg becomes a seed.

Which one of the following statements is wrong?a)Pollen grains in some plants remain viable for monthsb)Intine is made up of cellulose and pectinc)When pollen is shed at two-celled state, double fertilization does not take placed)Vegetative cell is larger than generative cell

Description : Which one of the following statements is wrong?a)Pollen grains in some plants remain viable for monthsb)Intine is made up of cellulose and pectinc)When pollen is shed at two-celled state, double fertilization does not take placed)Vegetative cell is larger than generative cell

Last Answer : c)When pollen is shed at two-celled state, double fertilization does not take place

Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

Description : Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

Last Answer : Ans. ((b))

In double fertilization, the two male nuclei fuse with

Description : In double fertilization, the two male nuclei fuse with

Last Answer : In double fertilization, the two male nuclei fuse with – Egg cell and Definitive nucleus

Double fertilization in Angiosperms was discovered by

Description : Double fertilization in Angiosperms was discovered by 

Last Answer : Double fertilization in Angiosperms was discovered by – Nawaschin

Describe double fertilization in angiosperms.

Description : Describe double fertilization in angiosperms.

Last Answer : Ans: Occurrence of two types of fertilizations in the same embryosac is called as double fertilization. It was discovered by Nawaschin in Fritillaria and Lilium. It is a feature of angiosperms. ... . It was discovered by Nawaschin in Fritillaria and Lilium. PEN develops into endosperm. 

Pith is produced by the activity of: (a) Lateral metistem (b) Protodern (c) Procambium (d) Ground meristem

Description : Pith is produced by the activity of: (a) Lateral metistem (b) Protodern (c) Procambium (d) Ground meristem

Last Answer : Ans. ((d))

Who is the father of botany ? Who is the father of botany?

Description : Who is the father of botany ? Who is the father of botany?

Last Answer : Theo Frostas, the father of botany.

What is Botany?

Description : What is Botany?

Last Answer : A. The study of plant structure, physiology, distribution and classification.

The study of past geological plant life is done in branch called as ….. a)Botany b)Paleobotany c)History d)Anthropology

Description : The study of past geological plant life is done in branch called as ….. a)Botany b)Paleobotany c)History d)Anthropology

Last Answer : b)Paleobotany

Name the branches of Botany that deal with chlorophyllous and non-chlorophyllous heterotrophic thallophytes.

Description : Name the branches of Botany that deal with chlorophyllous and non-chlorophyllous heterotrophic thallophytes.  

Last Answer : Ans: Phycology deals with Chlorophyllous thallophytes and Mycology non-chlorophyllous thallophytes.  

The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.

Description : The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.

Last Answer : c) ovule

Sphenopteris hoeninghausii is the….. a)stem b)root c)leaves d)ovule

Description : Sphenopteris hoeninghausii is the….. a)stem b)root c)leaves d)ovule

Last Answer : c)leaves

When polyembryony is due to activation of some sporophytic cells of ovule, it is called as

Description : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as

Last Answer : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as – Adventive polyembryony

The most primitive type of ovule is found in

Description : The most primitive type of ovule is found in

Last Answer : The most primitive type of ovule is found in – Orthrotropus

Describe the structure of ovule with the help of neat labeled diagram

Description : Describe the structure of ovule with the help of neat labeled diagram

Last Answer : Ans: Ovules are seen in flowering plants. In Gymnosperms they are exposed and in angiosperms they are enclosed.   Typical ovule has a stalk known as Funiculus and ovule body. ... as in Monocots and Polypetalae and ategmic without integuments as in parasites such as Balanophora, Loranthus.  

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.

Describe the various outgrowths of seed.

Description : Describe the various outgrowths of seed.

Last Answer : Ans: The outgrowths of seed are Caruncle and Aril. Caruncle: It is developed from integumentary cells of micropylar region. It is spongy and helps in absorbing water during seed germination. It is seen in ... commonly called as mace and is used as spice. In Pithecalobium, it is edible and spongy. 

Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus

Description : Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus

Last Answer : Ans. ((a))

The hypogeal germination is found in: (a) Bean (b) Maize (c) Rhizophora (d) Cucurbita Ans. (b) Directions: In the following questions more than one answer given may be correct select the correct answers according to the code— Code— (a) 1, 2 and 3 are correct (b) 1 and 2 are correct (c) 1, 2 and 4 are correct (d) 1 and 3 are correct 26. Which of following matched correctly? (1) Piper—Climbing root (2) Ficus—Climbing root (3) Buttress root—Bombax (4) Vitis—Nodulated root

Description : The hypogeal germination is found in: (a) Bean (b) Maize (c) Rhizophora (d) Cucurbita Ans. (b) Directions: In the following questions more than one answer given may be correct select the correct ... (1) Piper-Climbing root (2) Ficus-Climbing root (3) Buttress root-Bombax (4) Vitis-Nodulated root

Last Answer : Ans. ((d))

Consider the following statements: (1) The seed of pea is exalbuminous (2) The fruit of peach is drupe (3) The seed of tomato is albuminous (4) The fruit of coconut is berry

Description : Consider the following statements: (1) The seed of pea is exalbuminous (2) The fruit of peach is drupe (3) The seed of tomato is albuminous (4) The fruit of coconut is berry

Last Answer : Ans. ((b))

What happens after fertilization ?

Description : What happens after fertilization ?

Last Answer : After fertilization, the uterus becomes a result.

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

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

Last Answer : Ans:(d)

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

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).

With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

Description : With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

Last Answer : Ans. ((a))

Which of the following is not a characteristic of coniferales........ a)pycnoxylic wood b)motile male gametes c)presence of resin canal d) fertilization siphonogamous

Description : Which of the following is not a characteristic of coniferales........ a)pycnoxylic wood b)motile male gametes c)presence of resin canal d) fertilization siphonogamous

Last Answer : b)motile male gametes

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

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

Disadvantages of natural vegetative propagation includes a) lack of dispersal mechanisms b) no fertilization is involved c) area is quickly colonized d) daughter plants can grow quickly

Description : Disadvantages of natural vegetative propagation includes a) lack of dispersal mechanisms b) no fertilization is involved c) area is quickly colonized d) daughter plants can grow quickly

Last Answer : a) lack of dispersal mechanisms

$ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule through integuments is called Mesogamy.

Description : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule through integuments is called Mesogamy.

Last Answer : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule ... wrong D. If both As and R are wrong.

? X l74 has: (a) Single stranded DNA (b) Single stranded RNA (c) Double stranded RNA (d) Double stranded DNA

Description : ? X l74 has: (a) Single stranded DNA (b) Single stranded RNA (c) Double stranded RNA (d) Double stranded DNA

Last Answer : Ans. ((a))

Select the correct statement out of (a-d) (a) single celled spirulina can produce large quantities of food rich in protein, minerals and vitamins. (b)

Description : Select the correct statement out of (a-d) (a) single celled spirulina can produce large quantities of food rich in protein, minerals and vitamins. (b)

Last Answer : Select the correct statement out of (a-d) (a) single celled spirulina can produce large quantities of food rich in ... d C. b,c and d D. a and b

Write short notes on single fruit like inflorescence.

Description : Write short notes on single fruit like inflorescence. 

Last Answer : Ans: Hypanthodium is fruit like inflorescence. The peduncle is condensed, fleshy cup like hollow structure with an apical opening. The flowers are small, sessile unisexual and monochlamydeous. Inner surface of ... flowers. Opening of flowers is not in a definite order. Ex: Ficus species

Which of the following are true archaebacteria? (1) Extreme halophiles (2) Extreme thermophyles (3) Methanogens (4) Presence of peptidoglycan cell wall Ans. (a) 43; Which of the following are endangered plants ? (1) Saintpaulia ionantha (2) Ceratozamia hildae (3) Punica granatum (4) Senecio hadrasomum

Description : Which of the following are true archaebacteria? (1) Extreme halophiles (2) Extreme thermophyles (3) Methanogens (4) Presence of peptidoglycan cell wall Ans. (a) 43; Which of the following are ... plants ? (1) Saintpaulia ionantha (2) Ceratozamia hildae (3) Punica granatum (4) Senecio hadrasomum

Last Answer : Ans. ((c))

The tissue which is involved in development of lateral roots is

Description : The tissue which is involved in development of lateral roots is

Last Answer : The tissue which is involved in development of lateral roots is – Pericycle

Development of lateral roots is

Description : Development of lateral roots is

Last Answer : Development of lateral roots is – Endogenous

In unilocular ovary with a single ovule, the placentation is (a) marginal (b) basal (c) free central (d) axile.

Description : In unilocular ovary with a single ovule, the placentation is (a) marginal (b) basal (c) free central (d) axile.

Last Answer : (d) axile.

The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy

Description : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy

Last Answer : Parthenocarpy

In bioremediation, bio-films are usually used a. At the source of pollutant b. After collection of pollutant c. After treatment of pollutant d. Before pollutant is produced

Description : In bioremediation, bio-films are usually used a. At the source of pollutant b. After collection of pollutant c. After treatment of pollutant d. Before pollutant is produced

Last Answer : a. At the source of pollutant

In a flowering plant, archesporium gives rise to (a) only the wall of the sporangium (b) both wall and the sporogenous cells (c) wall and the tapetum (d) only tapetum and sporogenous cells.

Description : In a flowering plant, archesporium gives rise to (a) only the wall of the sporangium (b) both wall and the sporogenous cells (c) wall and the tapetum (d) only tapetum and sporogenous cells.

Last Answer : (b) both wall and the sporogenous cells

In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Description : In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Last Answer : (a) cellular totipotency

The cells which are closely associated and interacting with guard cells are - (1) Transfusion tissue (2) Complementary cells (3) Subsidiary cells (4) Hypodermal cells

Description : The cells which are closely associated and interacting with guard cells are - (1) Transfusion tissue (2) Complementary cells (3) Subsidiary cells (4) Hypodermal cells

Last Answer : (3) Subsidiary cells Explanation: Guard cells interact physiologically and mechanically with subsidiary cells. Guard cells are those which have chloroplasts and control the opening of stomata. But, subsidiary cells are those which support the guard cells and they do not have chloroplasts.

The cells which are colsely associated and interacting with guard cells are (1) Transfusion tissue (2) Complementary cells (3) Subsidiary cells (4) Hypodermal cells

Description : The cells which are colsely associated and interacting with guard cells are (1) Transfusion tissue (2) Complementary cells (3) Subsidiary cells (4) Hypodermal cells

Last Answer : Subsidiary cells

What is a seed according to botany ?

Description : What is a seed according to botany ?

Last Answer : According to botany, fertilized and mature egg is called seed. The fertilized and fertilized egg is the seed. In some plants it is also called kernel.

Which one of the following statements is wrong? (a) When pollen is shed at two-celled stage, double fertilisation does not take place. (b) Vegetative cell is larger than generative cell. (c) Pollen grains in some plants remain viable for months. (d) Intine is made up of cellulose and pectin.

Description : Which one of the following statements is wrong? (a) When pollen is shed at two-celled stage, double fertilisation does not take place. (b) Vegetative cell is larger than generative cell. (c) Pollen grains in some plants remain viable for months. (d) Intine is made up of cellulose and pectin.

Last Answer : (a) When pollen is shed at two-celled stage, double fertilisation does not take place.

Ridger is also known as riding plough and moulds board plough. a. Single c. Half d. None of the above. Ans - b. Double

Description : Ridger is also known as riding plough and moulds board plough. a. Single c. Half d. None of the above. Ans - b. Double

Last Answer : Ans - b. Double

After the union of sperm and egg, the single-celled zygote develops into a multicellular organism with specialized cells by the processes of?

Description : After the union of sperm and egg, the single-celled zygote develops into a multicellular organism with specialized cells by the processes of?

Last Answer : mitosis and diffrentiation