Species

Q.

What is meant by 'species' ? Give any five examples of species.

Q. A group of population that are capable of interbreeding is known as-

1. Species
2. Sal
3. Flora
4. Fauna

Q.

Lions and tigers belong to the same species.

1. True

2. False

Q. The mule can be considered to be a species.

1. True
2. False

Q. Statement (S) : A mule and a liger are not considered to be separate species.
Reason (R) : Mules and ligers are infertile and cannot give rise to their own offsprings.

1. Both (S) and (R) are correct and (R) is the correct explanation for (S)
2. Both (S) and (R) are correct but (R) is not the correct explanation for (S)
3. (S) is correct but (R) is incorrect
4. Both (S) and (R) are incorrect

Q. Group of one species of animals is called ___ .

Q.

Statement(S) : A Mule and a liger are not considered to be separate species. Reason(R) : Mules and ligers are infertile and cannot give rise to their own offsprings.

1. Both S and R are correct but R is not the correct explanation for S
2. Both S and R are correct and R is a correct explanation for S
3. S is correct but R is incorrect
4. Both S and R are incorrect

Q.

Consider the following animal species:

Dodo, Yak, Deer, Blackbuck, Tiger, Crow, Kashmir stag, Dinosaur, Elephant, Lion-tailed macaque, Peacock, Snow leopard

Which of these animals is,
(a) endangered species?

(b)extinct species

Q. Which of the following plants are adapted to live in mountains?

1. Cactus plant
2. Pine tree
3. Tulsi plant
4. Banana plant

Q. The animal shown here is a ___.

Q. Hydra reproduces asexually by the process of budding.

1. True
2. False

Q. Basic taxonomic category is

1. population
2. species
3. variety
4. breed

Q. The animal shown here is a ___.

Q.

Consider the following ​animal species :​Dodo, Yak, Deer, Black buck, Tiger, Crow, Kashmir stag, Dinosaur, Elephant, Lion tailed macaque, Peacock, Snow leopard​
Which of these animals are : ​
(b) endangered species ?​

Q.

Lions and tigers belong to the same species.

1. False

2. True

Q.

Which one of the following is not eukaryotic?

1. Animalia

2. Plantae

3. Monera

4. Protista

Q. _____________ bacteria help to break down dead and decaying matter.

1. Denitrifying
2. Nitrifying

Q. Biomagnification of DDT in an aquatic food chain starting from water having a concentration of 0.003 ppm may go, in fish eating ...... up to

1. 2 ppm
2. 25 ppm
3. 50 ppm
4. 100 ppm

Q. Which of the following category will this organism fall into?

1. Omnivore
2. Autotroph
3. Decomposer
4. Carnivore

Q. Wheel animalcules are

1. Coelenterates
2. Echinoderms
3. Rotifers
4. Protozoans

Q. Explain the importance of decomposers in an ecosystem.

Q.

Which one of the following is not eukaryotic?

1. Monera

2. Protista

3. Plantae

4. Animalia

Q. Species found only in a particular area is known as ____________.

1. extinct
2. endangered
3. endemic

Q. Which of the following category will this organism fall into?

1. Autotroph
2. Decomposer
3. Carnivore
4. Omnivore

Q. Ligers can grow to be bigger than their parents.

1. True
2. False

Q. Organisms that have the ability to produce fertile, viable offspring are said to be

1. Members of the same species
2. Genetically similar
3. In possession of the same alleles for every gene
4. Living in the same environment
5. Possessive of haploid gametes

Q. The animal shown here is a ___.

Q. Choose the correct option.
Statement 1: Rare species are those whose number has considerably declined.
Statement 2: Lion-tailed macaque is an example of an endangered species.

1. Both statements are true
2. Both statements are false
3. Only statement 2 is true
4. Only statement 1 is true

Q. Assertion :Heavy metals and persistent pesticides pass into the food chain and increase in amount per unit weight of the organism at successive trophic levels Reason: Heavy metals and persistent pesticides can be easily metabolised by the organism's body.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Which amongst the given species cannot produce a fertile offspring?

1. Lion
2. Mule
3. Donkey
4. Frog