A zygote is completely divided into two by a cleavage furrow. The cleavage type is

A zygote is completely divided into two by a cleavage furrow. The cleavage type is
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A zygote is completely divided into two by a cleavage furrow. The cleavage type is A. Equatorial B. Meroblastic C. Radial D. Holoblastic.
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Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Description : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Last Answer : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This ... of three germinal layers D. Formation of archenteron.

Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Description : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Last Answer : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This ... of three germinal layers D. Formation of archenteron.

Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Description : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Last Answer : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk ... D. If both Assertion & Reason are False.

A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.

Description : A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.

Last Answer : a) pattern of cleavage

A low mold board with gradual twist that completely invert the furrow slice with a minimum of breakup, thus covering vegetative matter thoroughly is called a. Stubble bottom b. sod bottom c. salted mould board d. general purpose bottom

Description : A low mold board with gradual twist that completely invert the furrow slice with a minimum of breakup, thus covering vegetative matter thoroughly is called a. Stubble bottom b. sod bottom c. salted mould board d. general purpose bottom

Last Answer : b. sod bottom

A long jow mould board with a gradual twist (spiral) that completely inverts the furrow slice with a minimum of break up thus covering vegetative matter thoroughly is called a. Sod bottom b. Stubble bottom c. General bottom d. Slat bottom

Description : A long jow mould board with a gradual twist (spiral) that completely inverts the furrow slice with a minimum of break up thus covering vegetative matter thoroughly is called a. Sod bottom b. Stubble bottom c. General bottom d. Slat bottom

Last Answer : a. Sod bottom

Fertilizer and nutrient loss is minimized in this type of irrigation. (a) Bamboo irrigation (b) Furrow irrigation. (c) Spray irrigation. (d) None of the above.

Description : Fertilizer and nutrient loss is minimized in this type of irrigation. (a) Bamboo irrigation (b) Furrow irrigation. (c) Spray irrigation. (d) None of the above.

Last Answer : (a) Bamboo irrigation

The type furrow opener used in zero tillage implement is: a Reversible type b Inverted type c Shoe type d Hoe type

Description : The type furrow opener used in zero tillage implement is: a Reversible type b Inverted type c Shoe type d Hoe type

Last Answer : b Inverted type

Broad bed furrow system is recommended for — type of soil b. Red soilc. Sandy soild. Loamy soil a. Deep black soil

Description : Broad bed furrow system is recommended for — type of soil a. Deep black soil b. Red soil c. Sandy soil d. Loamy soil

Last Answer : a. Deep black soil

The furrow opener used in black cotton soil is: A. Disc type B. Shoe type C. Reversible shovel type D. Hoe type

Description : The furrow opener used in black cotton soil is: A. Disc type B. Shoe type C. Reversible shovel type D. Hoe type

Last Answer : Hoe type

turns the furrow slice used in stubble soils. a) Stubble type b) Slat type c) Share d) Jointer

Description : turns the furrow slice used in stubble soils. a) Stubble type b) Slat type c) Share d) Jointer

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How type furrow (or shovel) opener are especially suited to a. Stoney and root infested fields b. Poorly prepared beds in trashy soil c. Hard field with considerable debris and mulch d. None of the above

Description : How type furrow (or shovel) opener are especially suited to a. Stoney and root infested fields b. Poorly prepared beds in trashy soil c. Hard field with considerable debris and mulch d. None of the above

Last Answer : a. Stoney and root infested fields

Disc type furrow openers are especially suited to A. Stoney and root infested soils B. Poorly prepared bed in trashy soil C. Hard and sticky soil with considerable amount of debris and mulch D. All of the above

Description : Disc type furrow openers are especially suited to A. Stoney and root infested soils B. Poorly prepared bed in trashy soil C. Hard and sticky soil with considerable amount of debris and mulch D. All of the above

Last Answer : C. Hard and sticky soil with considerable amount of debris and mulch

Shoe type furrow openers especially suited to A. Stoney and root infested fields B. Poorly prepared bed in trashy soils C. Hard and sricky soil with considerable amount of mulch and debris D. All of the above

Description : Shoe type furrow openers especially suited to A. Stoney and root infested fields B. Poorly prepared bed in trashy soils C. Hard and sricky soil with considerable amount of mulch and debris D. All of the above

Last Answer : B. Poorly prepared bed in trashy soils

.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

Why cleavage is chick is called discoidal type?

Description : Why cleavage is chick is called discoidal type?

Last Answer : The cleavage in the chick is called discoidal because it is limited to the blastodisc.EXPLANATION: Post-fertilization changes in the chicken egg are caused by several mitotic divisions. The entire egg at a point of development is divided into two poles, the vegetal pole and the animal pole.

In an egg, the type of cleavage is determined by (a) the amount and distribution of yolk (b) the number of egg membranes (c) the shape and size of the sperm (d) the size and location of the nucleus.

Description : In an egg, the type of cleavage is determined by (a) the amount and distribution of yolk (b) the number of egg membranes (c) the shape and size of the sperm (d) the size and location of the nucleus.

Last Answer : (a) the amount and distribution of yolk

Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Description : Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Last Answer : Ans:(c)

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

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage(c) Embryo of 32 cell stage (d) Zygote only

Description : In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage (c) Embryo of 32 cell stage (d) Zygote only

Last Answer : (b) Either zygote or early embryo upto 8 cell stage

The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Description : The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Last Answer : (c) morula

Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Description : Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Last Answer : b) zygote into the fallopian tube

Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Description : Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Last Answer : (a) Ovules develop into embryo sac.

3. In IVF technique zygote or early embryo is transferred into a. Cervical canal b. Uterus c. Fallopian tube d. Vagina

Description : 3. In IVF technique zygote or early embryo is transferred into a. Cervical canal b. Uterus c. Fallopian tube d. Vagina

Last Answer : c. Fallopian tube

The blastula develops into the: a) gastrula b) morula c) endoderm d) zygote

Description : The blastula develops into the: a) gastrula b) morula c) endoderm d) zygote

Last Answer : ANSWER: A -- GASTRULA

Which of the following characteristics is not typical of ionically bonded crystals? (a) Has no sharp melting point (b) Cleave into definite cleavage planes (c) Conducts when melted (d) Shatters when crystal is distorted

Description : Which of the following characteristics is not typical of ionically bonded crystals? (a) Has no sharp melting point (b) Cleave into definite cleavage planes (c) Conducts when melted (d) Shatters when crystal is distorted

Last Answer : Ans:(a)

Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.

Description : Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.

Last Answer : (b) after entry of sperm but before fertilisation

Which one of the following is an example of chemical weathering? w) the splitting of a boulder x) the grinding of pebbles into sand y) the cleavage of a feldspar crystal z) the rusting of hornblende

Description : Which one of the following is an example of chemical weathering? w) the splitting of a boulder x) the grinding of pebbles into sand y) the cleavage of a feldspar crystal z) the rusting of hornblende

Last Answer : ANSWER: Z -- THE RUSTING OF HORNBLENDE

Dead furrow is made by: a. One way MB plough b. Two way MB plough c. Ridger d. Disc harrow

Description : Dead furrow is made by: a. One way MB plough b. Two way MB plough c. Ridger d. Disc harrow

Last Answer : a. One way MB plough

The size of a seed rill is expressed by: A. Amount of seed sown per unit time. B. Length x width of the machine. C. Area covered per unit time. D. The number of furrow openers x distance between two furrow

Description : The size of a seed rill is expressed by: A. Amount of seed sown per unit time. B. Length x width of the machine. C. Area covered per unit time. D. The number of furrow openers x distance between two furrow

Last Answer : D. The number of furrow openers x distance between two furrow

Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. Reason :- Plant cells are enclosed by a relative

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The C/N ratio in the organic matter of furrow slice (upper 15 cm) of arable soils commonly ranges from

Description : The C/N ratio in the organic matter of furrow slice (upper 15 cm) of arable soils commonly ranges from

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Ridge and furrow method is mostly used in

Description : Ridge and furrow method is mostly used in

Last Answer : Ans.South India

In furrow irrigation the furrows must be of a. Equal dimension b. Unequal dimension c. Channels should not be parallel d. Against the gravity

Description : In furrow irrigation the furrows must be of a. Equal dimension b. Unequal dimension c. Channels should not be parallel d. Against the gravity

Last Answer : a. Equal dimension

Most advanced and efficient method of irrigation consisting of perforated pipes. (a) Sprinkler irrigation. (b) Drip irrigation. (c) Spray irrigation. (d) Furrow irrigation.

Description : Most advanced and efficient method of irrigation consisting of perforated pipes. (a) Sprinkler irrigation. (b) Drip irrigation. (c) Spray irrigation. (d) Furrow irrigation.

Last Answer : (b) Drip irrigation

Which of the following irrigation systems is also termed as ON & OFF Irrigation System [a] Drip Irrigation [b] Sprinkler Irrigation [c] Surge irrigation [d] Furrow Irrigation [e] None of the above

Description : Which of the following irrigation systems is also termed as ON & OFF Irrigation System [a] Drip Irrigation [b] Sprinkler Irrigation [c] Surge irrigation [d] Furrow Irrigation [e] None of the above

Last Answer : [c] Surge irrigation

Irrigation for cereal crop is generally done by a. Check flooding b. Basic flooding c. Furrow d. Subway surface irrigation

Description : Irrigation for cereal crop is generally done by a. Check flooding b. Basic flooding c. Furrow d. Subway surface irrigation

Last Answer : a. Check flooding

In case of cereal crops, the irrigation is generally done by a. Check method b. Furrow method c. Sprinkler method d. Border method

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Last Answer : a. Check method

The difference between seed drill and planter is a) Variation in hill to hill spacing b) Number of seed per hill is more uniform in planter c) Seed delivery tube d) Furrow opener e) Both a and b Ans. e

Description : The difference between seed drill and planter is a) Variation in hill to hill spacing b) Number of seed per hill is more uniform in planter c) Seed delivery tube d) Furrow opener e) Both a and b Ans. e

Last Answer : ans e

A furrow cross-section in a country plough is commonly a) Circular b) Triangular c) Rectangular d) Trapezoidal

Description : A furrow cross-section in a country plough is commonly a) Circular b) Triangular c) Rectangular d) Trapezoidal

Last Answer : ans b

Dead furrow is made by 1. One way MB plough 2. 2 way MB plough 3. ridger 4. disc harrow

Description : Dead furrow is made by 1. One way MB plough 2. 2 way MB plough 3. ridger 4. disc harrow

Last Answer : ans 1

A seed drill with mechanical seed metering device mainly consists of: Frame, Seed box, Seed metering mechanism, drive transmission system, Furrow openers, Covering device, ……, hitch frame and Transport wheels. b. Differential c. U.V joints d. None of the above.

Description : A seed drill with mechanical seed metering device mainly consists of: Frame, Seed box, Seed metering mechanism, drive transmission system, Furrow openers, Covering device, ……, hitch frame and Transport wheels. b. Differential c. U.V joints d. None of the above.

Last Answer : Ans - a. clutch

It consists of dropping the seeds in furrow lines in a continuous stream and covering them with soil. The spacing between the seeds is not uniform. a. Dibbing c. Broadcasting d. None of the above.

Description : It consists of dropping the seeds in furrow lines in a continuous stream and covering them with soil. The spacing between the seeds is not uniform. a. Dibbing c. Broadcasting d. None of the above.

Last Answer : Ans - b. Drilling

is a device to refill a furrow after seed has been placed in it. a) Seed box b) Covering device c) Transport wheel d) Seed drill

Description : is a device to refill a furrow after seed has been placed in it. a) Seed box b) Covering device c) Transport wheel d) Seed drill

Last Answer : Covering device

Select the function of Moldboard plough. a) Lifting the soil. c) Pulverizing the soil b) Cutting the furrow slice d) All of the above

Description : Select the function of Moldboard plough. a) Lifting the soil. c) Pulverizing the soil b) Cutting the furrow slice d) All of the above

Last Answer :  All of the above

Functions of mold board plough a. Cutting the furrow slice. c) body to yoke b. Increase the depth of operation. d) length of the beam

Description : Functions of mold board plough a. Cutting the furrow slice. c) body to yoke b. Increase the depth of operation. d) length of the beam

Last Answer : Cutting the furrow slice.

methods consists of dropping the seeds in furrow lines in a continuous flow and covering them with soil. a. Dibbling b. Transplanting c. Drilling d. Seed dropping behind the plough

Description : methods consists of dropping the seeds in furrow lines in a continuous flow and covering them with soil. a. Dibbling b. Transplanting c. Drilling d. Seed dropping behind the plough

Last Answer : Drilling

Functions of seed drill machine . g. To carry the seeds h. To open furrow to an uniform depth i. To cover the seeds and compact the soil around the seed j. All of the above

Description : Functions of seed drill machine . g. To carry the seeds h. To open furrow to an uniform depth i. To cover the seeds and compact the soil around the seed j. All of the above

Last Answer : All of the above

Below is not a function of seed drill a) To meter the seeds b) To carry the seeds c) To remove the seeds d) To place the seeds in furrow

Description : Below is not a function of seed drill a) To meter the seeds b) To carry the seeds c) To remove the seeds d) To place the seeds in furrow

Last Answer : To remove the seeds

Dead furrow is made by A. One way MB plough. B. 2 way MB plough C. Ridger. D. Disc harrow

Description : Dead furrow is made by A. One way MB plough. B. 2 way MB plough C. Ridger. D. Disc harrow

Last Answer : One way MB plough