Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.

Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.
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Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- ... . D. If both Assertion & Reason are false.
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Sedimentary rocks are formed from sediments. -Geography

Description : Sedimentary rocks are formed from sediments. -Geography

Last Answer : Sedimentary rocks are formed from sediments because of the following reasons: Igneous rocks and metamorphic rocks, decompose, disintegrate and wear down due to weathering. This material is ... are solidified into layers due to pressure from overlying sediments they are called sedimentary rocks.

Why can’t fossils be formed in metamorphic rock and only in sedimentary rocks and igneous rocks as they cool?

Description : Why can’t fossils be formed in metamorphic rock and only in sedimentary rocks and igneous rocks as they cool?

Last Answer : vDFYUahereidfiukj

Dead reamins of organisms found in the earth crust are the:

Description : Dead reamins of organisms found in the earth crust are the:

Last Answer : Dead reamins of organisms found in the earth crust are the: A. Palaentological evidences ... C. Antamocial evidences D. Physicological evidences

What types of rocks may be deposited sediments?

Description : What types of rocks may be deposited sediments?

Last Answer : Need answer

Age of fossils in the past was generally determined by radiocarbon method and other methods involving radioactive elements found in the rocks. More pr

Description : Age of fossils in the past was generally determined by radiocarbon method and other methods involving radioactive elements found in the rocks. More pr

Last Answer : Age of fossils in the past was generally determined by radiocarbon method and other methods ... D. Study of carbohydrates/proteins in fossils

Fossils are rarely found in such rocks as: w) limestone x) sandstone y) shale z) granite

Description : Fossils are rarely found in such rocks as: w) limestone x) sandstone y) shale z) granite

Last Answer : ANSWER: Z -- GRANITE

Assertion: Black soils are black in colour due to diffusion of iron in crystalline and metamorphic rocks. Reason: They develop deep cracks during hot weather Options: (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true and R is not the correct explanation of A.(c) A is true but B is false. (d) A is false but R is true.

Description : Assertion: Black soils are black in colour due to diffusion of iron in crystalline and metamorphic rocks. Reason: They develop deep cracks during hot weather Options: (a) Both A and R are true and R is the correct explanation of ... of A.(c) A is true but B is false. (d) A is false but R is true.

Last Answer : (d) A is false but R is true.

Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above

Description : Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above

Last Answer : d. All the above

Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due

Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due

Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct

Which one among the following is not a reason for practising tank irrigation in the Peninsular India? [NDA 2011] (a) The undulating relief and hard rocks (b) little percolation of rain water due to impervious rock structure (c) Most of the rivers of Peninsular India are perennial (d) There are many streams which become torrential during rainy season

Description : Which one among the following is not a reason for practising tank irrigation in the Peninsular India? [NDA 2011] (a) The undulating relief and hard rocks (b) little percolation of rain ... of Peninsular India are perennial (d) There are many streams which become torrential during rainy season

Last Answer : Ans: (c)

The study of fossils in different aed rocks shows all of the following except. :

Description : The study of fossils in different aed rocks shows all of the following except. :

Last Answer : The study of fossils in different aed rocks shows all of the following except. : A. They ... time spans D. They do not present extinct organisms

How rocks fossils and climate provided evidence of continental drift?

Description : How rocks fossils and climate provided evidence of continental drift?

Last Answer : Need answer

Can metamorphic rocks contain fossils?

Description : Can metamorphic rocks contain fossils?

Last Answer : can metamorphic rock contain fosils

Radiocarbon dating is used to estimate the ages of (a) babies (b) fossils (c) rocks (d) ancient buildings

Description : Radiocarbon dating is used to estimate the ages of (a) babies (b) fossils (c) rocks (d) ancient buildings

Last Answer : Ans:(b)

Radiocarbon dating technique is used to estimate the age of - (1) rocks (2) monuments (3) soil (4) fossils

Description : Radiocarbon dating technique is used to estimate the age of - (1) rocks (2) monuments (3) soil (4) fossils

Last Answer : (4) fossils Explanation: Radiocarbon dating technique is used to estimate the age of fossils. It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.

The oldest rocks that contain abundant fossils are: w) Precambrian x) Paleozoic y) Mesozoic z) Cenozoic

Description : The oldest rocks that contain abundant fossils are: w) Precambrian x) Paleozoic y) Mesozoic z) Cenozoic

Last Answer : ANSWER: X -- PALEOZOIC 

For determination of the age of which among the following is carbon dating method used ? (1) Fossils (2) Rocks (3) Trees (4) 1& 2 above

Description : For determination of the age of which among the following is carbon dating method used ? (1) Fossils (2) Rocks (3) Trees (4) 1& 2 above

Last Answer : 1& 2 above

What kind of rock is formed from sediments that have been cemented or compacted?

Description : What kind of rock is formed from sediments that have been cemented or compacted?

Last Answer : Need answer

Assertion :- The rate of appearance of new forms is liked to the life cycle or the life span of organisms. Reason :- The organism with short life span

Description : Assertion :- The rate of appearance of new forms is liked to the life cycle or the life span of organisms. Reason :- The organism with short life span

Last Answer : Assertion :- The rate of appearance of new forms is liked to the life cycle or the life span of ... False. D. If both Assertion & Reason are false.

1. Name the Indian soil which is formed due to the weathering of basic igneous rocks. 2. Name two states of India where this type of soil is found. -Geography

Description : 1. Name the Indian soil which is formed due to the weathering of basic igneous rocks. 2. Name two states of India where this type of soil is found. -Geography

Last Answer : 1. Black soil 2. Maharashtra and Gujarat

What Studies showed that sediments found in an area of Earth's surface were composed of different materials than the bedrock below. the study's findings?

Description : What Studies showed that sediments found in an area of Earth's surface were composed of different materials than the bedrock below. the study's findings?

Last Answer : Answer this question… Wind carried the sediments from a different location.

Assertion (A) : The average life of a radioactive element is infinity Reason (R ) : As a radioactive element disinegrates, more of it is formed in nat

Description : Assertion (A) : The average life of a radioactive element is infinity Reason (R ) : As a radioactive element disinegrates, more of it is formed in nat

Last Answer : Assertion (A) : The average life of a radioactive element is infinity Reason (R ) : As a radioactive element ... . If both (A) and (R ) are incorrect.

Assertion: A sanctuary is formed for the conservation of animals only. Reason: Restricted human activities are allowed in sanctuaries.

Description : Assertion: A sanctuary is formed for the conservation of animals only. Reason: Restricted human activities are allowed in sanctuaries.

Last Answer : Assertion: A sanctuary is formed for the conservation of animals only. Reason: Restricted human ... . If both assertion and reason are false.

Deltas are formed where the shores are free of (a) Low tide (b) Hard rocks (c) High tide (d) Trees

Description : Deltas are formed where the shores are free of (a) Low tide (b) Hard rocks (c) High tide (d) Trees

Last Answer : Ans: (b)

Assertion :- A gas mixed with another gas forms a colloidal solution. Reason :- Mixture of gases is homogenous system.

Description : Assertion :- A gas mixed with another gas forms a colloidal solution. Reason :- Mixture of gases is homogenous system.

Last Answer : Assertion :- A gas mixed with another gas forms a colloidal solution. Reason :- Mixture of gases is ... . D. If both Assertion & Reason are False.

Assertion : Simple cuboidal epithelium is also called as germinal epithelium Reason : Cuboidal cells of gonads forms gametes

Description : Assertion : Simple cuboidal epithelium is also called as germinal epithelium Reason : Cuboidal cells of gonads forms gametes

Last Answer : Assertion : Simple cuboidal epithelium is also called as germinal epithelium Reason : Cuboidal cells of ... . If both Assertion & Reason are false.

Assertion : Simple columner epithelium is also called as Germinal epithelium. Reason : Columnar cells of gonads forms gametes .

Description : Assertion : Simple columner epithelium is also called as Germinal epithelium. Reason : Columnar cells of gonads forms gametes .

Last Answer : Assertion : Simple columner epithelium is also called as Germinal epithelium. Reason : Columnar cells of ... D. If both Assertion & Reason are false.

Assertion : Phenol has lower boiling point then water Reason : Water forms more number of hydrogen bonds

Description : Assertion : Phenol has lower boiling point then water Reason : Water forms more number of hydrogen bonds

Last Answer : Assertion : Phenol has lower boiling point then water Reason : Water forms more number of hydrogen ... false D. Assertion is false, Reason is true

Assertion (A): Oil as a cutting fluid result in a lower coefficient of friction. Reason (R): Oil forms a thin liquid film between the tool face and chip, and it provides 'hydrodynamic lubrication'. [IES- 2000] (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true

Description : Assertion (A): Oil as a cutting fluid result in a lower coefficient of friction. Reason (R): Oil forms a thin liquid film between the tool face and chip, and it provides 'hydrodynamic lubrication'. [IES- 2000] (a ... explanation of A (c) A is true but R is false (d) A is false but R is true

Last Answer : (c) A is true but R is false

How many parts are the fossils divided into ?

Description : How many parts are the fossils divided into ?

Last Answer : Ashma Mandal is again divided into two parts. 1. The crust. 2. The outer part of the crust.

How are fossils formed? Describe, in brief, two methods of determining the age of fossils. -Biology

Description : How are fossils formed? Describe, in brief, two methods of determining the age of fossils. -Biology

Last Answer : When organisms die, their bodies decompose due to action of micro organisms. However, sometime the body or at least some parts of the body may be in such an environment that does not let it ... in deeper layers.By detecting the ratios of different isotopes of the same element in the fossil material.

Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of `Na^(+)` and water from distal parts of the

Description : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of `Na^(+)` and water from distal parts of the

Last Answer : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of ... D. If both Assertion & Reason are false.

Assertion : In aDNA molecule, A-T rich parts melt before G-C rich parts. Reason : In between A and T there are three H-bond, whereas in between G and

Description : Assertion : In aDNA molecule, A-T rich parts melt before G-C rich parts. Reason : In between A and T there are three H-bond, whereas in between G and

Last Answer : Assertion : In aDNA molecule, A-T rich parts melt before G-C rich parts. Reason : In between A ... false. D. If both assertion and reason are false.

Assertion :- The young one of cockroach does not look like adult cockroach. Reason :- the mouth parts of young cockroach are not well developed like a

Description : Assertion :- The young one of cockroach does not look like adult cockroach. Reason :- the mouth parts of young cockroach are not well developed like a

Last Answer : Assertion :- The young one of cockroach does not look like adult cockroach. Reason :- the mouth parts of young ... cockroach. A. A B. B C. C D. D

Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is produced from non-edible parts of fishes like fins, ta

Description : Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is produced from non-edible parts of fishes like fins, ta

Last Answer : Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is ... false D. If both assertion and reason are false

The iron ore deposits of Dammel-Nissar is of high quality but why it is not excavated? A. Due to lack of men power B. Ore deposits is in low quantity C. Ore lies under hard rocks D. Not economical due to transportation problem

Description : The iron ore deposits of Dammel-Nissar is of high quality but why it is not excavated? A. Due to lack of men power B. Ore deposits is in low quantity C. Ore lies under hard rocks D. Not economical due to transportation problem

Last Answer : ANSWER: D

The iron ore deposits of Dammel-Nissar is of high quality but why it is not excavated? A. Due to lack of men power B. Ore deposits is in low quantity C. Ore lies under hard rocks D. Not economical due to transportation problem

Description : The iron ore deposits of Dammel-Nissar is of high quality but why it is not excavated? A. Due to lack of men power B. Ore deposits is in low quantity C. Ore lies under hard rocks D. Not economical due to transportation problem

Last Answer : ANSWER: D

The rocks which are formed due to pouring of magma at the earth's surface are called (A) Plutonic rocks (B) Hypabyssal rocks (C) Volcanic rocks (D) Igneous rocks

Description : The rocks which are formed due to pouring of magma at the earth's surface are called (A) Plutonic rocks (B) Hypabyssal rocks (C) Volcanic rocks (D) Igneous rocks

Last Answer : Answer: Option C

Rocks formed due to alteration of original structure due to heat and excessive pressure are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of these

Description : Rocks formed due to alteration of original structure due to heat and excessive pressure are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of these

Last Answer : Answer: Option C

The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called (A) Plutonic rocks (B) Hypabyssal rocks (C) Volcanic rocks (D) Igneous rocks

Description : The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called (A) Plutonic rocks (B) Hypabyssal rocks (C) Volcanic rocks (D) Igneous rocks

Last Answer : Answer: Option B

The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called (A) Plutonic rocks (B) Hypabyssal rocks (C) Volcanic rocks (D) Igneous rocks

Description : The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called (A) Plutonic rocks (B) Hypabyssal rocks (C) Volcanic rocks (D) Igneous rocks

Last Answer : Answer: Option A

Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand beds are permeable and do not allow water to rise up between pores due to capillary action (D) All the above

Description : Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand ... and do not allow water to rise up between pores due to capillary action (D) All the above

Last Answer : Answer: Option D

Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and laminated clays c) Soils containing carbon of coal underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Description : Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and ... underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Last Answer : a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering*

Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Description : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Last Answer : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate ... D. If both Assertion & Reason are false.

Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin formed by reduction of bile pigment.

Description : Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin formed by reduction of bile pigment.

Last Answer : Assertion `:` Faeces are brown coloured. Reason `,` Faeces contain brown pigment named sterocobilin ... D. If both Assertion & Reason are false.

Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants

Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong

Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Description : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Last Answer : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration ` ... If both Assertion & Reason are False.

Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of polarbodies is to bring haploidy of ovum .

Description : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of polarbodies is to bring haploidy of ovum .

Last Answer : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of ... . If both Assertion & Reason are False.

Assertion : Primary spermatocytes of testes are haploid . Reason : Primary spermatocytes are formed by meiosis I in the spermatogonia .

Description : Assertion : Primary spermatocytes of testes are haploid . Reason : Primary spermatocytes are formed by meiosis I in the spermatogonia .

Last Answer : Assertion : Primary spermatocytes of testes are haploid . Reason : Primary spermatocytes are formed by ... . If both Assertion & Reason are False.

Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial tissue can be formed from mesoderm and endoderm

Description : Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial tissue can be formed from mesoderm and endoderm

Last Answer : Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial ... . If both Assertion & Reason are false.