Biology

Diversity in Living Organisms

Question:

Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?

Answer:

Diploblastic means animals having two germ layers. Body walls of animals of phylum Coelenterata are made up of two layers, of which outer is called ectoderm and inner is endoderm. Between these two layers found jelly like substance mesoglea.
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Diversity in Living Organisms

Q 1.

Name a reptile which has four chambered heart.

Q 2.

Why bryophytes are called the amphibians of the plant kingdom?

Q 3.

Give examples of Arthropod animals.

Q 4.

Give an example of mammal that can fly.

Q 5.

Based on evolution, primarily how organisms are categorised?

Q 6.

Will advanced organisms be the same as complex organisms? Why?

Q 7.

In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.

Q 8.

What is Symbiotic? Give an example of organisms which exhibit this relationship.

Q 9.

Which division among plants has the simplest organisms?

Q 10.

List important characteristics (at least three) of bryophytes.

Q 11.

How Angiosperms are divided further?

Q 12.

Which animal phylum is considered to be first triploblastic animals?

Q 13.

How is locomotion brought in animals belonging to Mollusca phylum?

Q 14.

Write the name of the group of plants, which produces seeds, but not fruits.

Q 15.

Amar, Ujala and Anara wrote the scientic name of mango as follows. Who wrote it correctly.
Amar - Mangifera Indica
Ujala - Mangifera indica
Anara - mangifera indica

Q 16.

Identify the division of Plantae having following characteristics:
i. Seeds not enclosed within fruit.
ii. Flowers represented as cones (unisexual)
iii. Ovules not located in ovary.

Q 17.

No scales on skin, mucus glands on skin, three chambered heart, respiration through gills, lungs and skin, oviparous, live on land and in water. Name the group of these vertebrates.

Q 18.

According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?

Q 19.

Blue-green algae are classified with bacteria and placed in kingdom Monera.

Q 20.

On what basis plants are divided into two sub-kingdoms?

Q 21.

Define Cryptograms.

Q 22.

Write the differences between monocots and dicots.

Q 23.

What is osculum?

Q 24.

How do poriferan animals differ from coelenterate animals?

Q 25.

Which phylum is commonly called roundworms or pinworms?

Q 26.

In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?

Q 27.

Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?

Q 28.

Algae belongs to which division of Plantae?

Q 29.

Hydra, Jelly Fish, corals belog to which group of animals?

Q 30.

Give three examples of Molluscs

Q 31.

What is the main basis of differentiation between vertebrates and non-vertebrates?

Q 32.

Four Chambered heart, mostly viviparous, skin covered with hairs, skin contains sweat and oil glands, four chambered heart. Which category of vertebrates are we talking about?

Q 33.

Give examples of egg laying mammals

Q 34.

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

Q 35.

How are pteridophytes different from the phanerogams?

Q 36.

What are naked-seeded plants are called?

Q 37.

In how many Phyla, the animal kingdom is divided into?

Q 38.

Which animal phylum is commonly called as flatworms?

Q 39.

Give examples of animals belong to Nematoda.

Q 40.

Name the first animals (phylum) that have a true body cavity.

Q 41.

How is a body of Arthropods segmented?

Q 42.

What kind of circulatory system is found in animals from Mollusca phylum?

Q 43.

List three important characteristics of Phylum Protochordata.

Q 44.

In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?

Q 45.

Who introduced the system of scientific nomenclature of organisms?

Q 46.

Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.

Q 47.

Pines and Deodar belong to which group of Plants?

Q 48.

Sunflower, Maize, Wheat and Pea belong to which group of plants?

Q 49.

Minimal body design, have holes which lead to canal system that helps in circulating water, marine habitat. Which division of Animalia it refers to?

Q 50.

Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?