Which division among plants has the simplest organisms?

What is the basis for grouping organisms into five kingdoms?

On what basis are plants and animals put into different categories?

How many chambers are present in the heart of fishes and frogs?

What is meant by biodiversity?

Give Reasons for the Following:

Why do we classify organisms?

Give Reasons for the Following:

Why fungi and bacteria are considered as plants even though they do not have chlorophyll?

Give Reasons for the Following:

Why bryophytes and pteridophytes grow in moist and shady places?

Give Reasons for the Following:

Why whales are not grouped in the fishes?

Give Reasons for the Following:

Why are local names not sufficient to recognize the organisms?

Differentiate between primitive and advanced organisms.

How are pteridophytes different from the phanerogams?

Give differences between aves and mammals?

Differentiate between amphibians and reptiles.

How do poriferan animals differ from coelenterate animals?

How do annelid animals differ from arthropods?

What is the criterion for classification of organisms as belonging to kingdom Monera?

What are the advantages of classifying organisms?

How would you choose between two characteristics to be used for developing a hierarchy in classification?

What are the major divisions in the Plantae? What is the basis for these divisions?

How scientific name of an organism is written? What types of conventions are followed while writing the scientific names?

Give two salient features or any unique feature, each of the following division or phylum:

A. Division Thallophyta.

B. Division Pteridophyta.

C. Division Gymnosperms.

D. Phylum Coelenterata.

E. Phylum Annelida.

F. Phylum Arthropoda.

G. Phylum Protochordata.

H. Phylum Vertebrata.

Hair-like cilia or whip-like flagella for locomotion are present in Kingdom:

The branch of biology which deals with the principles and practice of classification of plants and animals is:

The organisms having ‘pores’ all over the body and a canal system for bringing in food and oxygen belongs to phylum:

All organisms that are similar enough to breed and perpetuate are called:

Which among the following have an open circulatory system?

i. Arthropoda

ii. Mollusca

iii. Annelida

iv. Coelenterata

In which group of animals, coelom is filled with blood?

Elephantiasis is caused by:

Which one is the most striking or (common) character of the vertebrates?

Find the incorrect sentence:

Which among the following has a specialised tissue for conduction of water?

i. Thallophyta

ii. Bryophyta

iii. Pteridophyta

iv. Gymnosperms

Which among the following have scales?

(i) Amphibians (ii) Pisces

(iii) Reptiles (iv) Mammals

Find out the false statement:

The locomotory organs of Echinodermata are:

Corals are:

Which among the following produce seeds?

Which one is a true fish?

Which among the following is exclusively marine?

5-Kingdom classification was given by:

The well defined nucleus is absent in:

The ‘Origin of Species’ is written by:

Skeleton is made entirely of cartilage in:

One of the following is not an Annelid?

The book ‘Systema Naturae’ was written by:

The animals having blood-filled coelomic cavity belongs to phylum:

The animals having two-chambered heart belongs to the class?

The system of scientific naming was introduced by:

Organisms without nucleus and cell organelles belong to:

(i) Fungi

(ii) Protista

(iii) Cyanobacteria

(iv) Archaebacteria

Which of the following is not a criterion for classification of living organisms?

The feature that is not a characteristic of protochordate?

Real organs are absent in:

Hard calcium carbonate structures are used as a skeleton by:

Pteridophyta do not have:

Identify a member of porifera:

Which is not an aquatic animal?

Amphibians do not have the following:

In taxonomic hierarchy family comes between:

Plants that do not have well- differentiated body design fall into the group called:

The common name for Fasciola hepatica and Taenia solium are:

The phylum in which organisms contain pseudocoelom is:

Sehaj and Sidak observed an animal in their garden. Sehaj called it an insect while Sidak said it was an earthworm. Choose the character from the following which confirms that it is an insect:

Write true or false for the following statements:

Cryptogame means those with open reproductive organs.

Write true or false for the following statements:

Plants with well-differentiated reproductive tissues that ultimately make seeds are called pteridophytes.

Write true or false for the following statements:

Thallophytes are called the amphibians of the plant kingdom.

Write true or false for the following statements:

Seeds consist of the embryo along with stored food, which serves for the initial growth of the embryo during germination.

Write true or false for the following statements:

The plants of the Angiosperm group bear naked seeds.

Write true or false for the following statements:

Gymnosperms are usually perennial, evergreen and woody.

Write true or false for the following statements:

Cotyledons represent a bit of pre- designed plant in the seed.

Write true or false for the following statements:

Platyhelminthes are either free living or parasitic.

Write true or false for the following statements:

The animals belonging to phylum Nematoda contain only tissues and no real organs.

Write true or false for the following statements:

The animals belonging to phylum Mollusca have a peculiar water-driven tube system that they use for moving around.