Diversity In Living Organisms Science - Diversity In Living Organisms

The skin is devoid of scales in:

1. Cartilaginous fish.
2. Bony fishes.
3. Reptiles.
4. Amphibians.

Echinoderms have:

1. Water vascular system.
2. Canal system.
3. Jet propulsion.
4. Book lungs.

Who has proposed two kingdom classification?

1. R.Whittaker.
2. Carolus Linnaeus.
3. Schimper.
4. Eichler.

Fungi resemble animals in having:

1. Mycelium.
2. Chitin.
3. Glycogen.
4. both (b) and (c).

Which of the following is the largest phylum?

1. Arthropoda.
2. Ametida.
3. Mollusca.
4. Cnidaria.

Skeleton of sponges is made up of __________ and ____________.

Ferns are example of __________.

Ascaris has a __________ symmetry.

Eumetazonas have proper differentiation into tissues and ___________.

___________ of birds are modified fore limbs.

ln binornial nomenclature, the name of an organism consists of two words in Latin; the first word denotes specific name and the second name the generic name.

Monocots have parallel venation in their leaves, while dicots have netted venation.

Prokaryotes lack true nucleus but possess all other types of organelles.

Platypus and Echidna are reptiles that lay eggs.

During the course of evolution several species vanished from the surface of the Earth.

To which group does sea horse (Hippocampus) belong?

Who classified organisms into five kingdoms?

To which division of plantae does belong the deodar trees of Himalayan region?

Give one example of:

1. Cartilaginous fish.
2. Bony fish.

Name structures used in locomotion in protozoa.

Name the following:

1. Cavity present in the body of sponges.
2. Cavity present in the body of cnidarians.

What are triploblastic animals?

How is the complexity of cell structure and their number used in classification?

What is haemocoel? Which groups of anirnals have haemocoel?

Give an example each of Urochordata and Cephalochordata.

Describe some flight adapiations of the birds.

Describe the characteristics of kingdom Protista. Give two examples.

Write down four characteristics of Ctenophora and give two examples.

What are differences between the following:

Cartilaginous fishes and bony fishes.

Write down four main characters of Bryophyta. Give two examples.

What is hierarchy of categories? Describe the same.

Describe the characteristics used in hierarchial classification of organisms.

Name major phyla of Animal kingdom. Write down one character and one example of each of them.

Explain the general characters of phylum Mollusca. Give one exarnple of following classes of Mollusca; (i) Gastropoda; (ii) Pelecpoda; (iii) Cephalopoda.

Describe the important characters of mammals and birds. Give two examples of each.