Biology

Diversity in Living Organisms

Question:

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

Answer:

Annelida
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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.

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

Q 5.

Which division among plants has the simplest organisms?

Q 6.

List important characteristics (at least three) of bryophytes.

Q 7.

How Angiosperms are divided further?

Q 8.

Which animal phylum is considered to be first triploblastic animals?

Q 9.

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 10.

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 11.

Give an example of mammal that can fly.

Q 12.

Based on evolution, primarily how organisms are categorised?

Q 13.

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

Q 14.

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

Q 15.

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

Q 16.

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

Q 17.

Define Cryptograms.

Q 18.

Write the differences between monocots and dicots.

Q 19.

What is osculum?

Q 20.

How do poriferan animals differ from coelenterate animals?

Q 21.

How is locomotion brought in animals belonging to Mollusca phylum?

Q 22.

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

Q 23.

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

Q 24.

Algae belongs to which division of Plantae?

Q 25.

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 26.

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

Q 27.

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

Q 28.

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

Q 29.

Which animal phylum is commonly called as flatworms?

Q 30.

Which phylum is commonly called roundworms or pinworms?

Q 31.

Give examples of animals belong to Nematoda.

Q 32.

How is a body of Arthropods segmented?

Q 33.

List three important characteristics of Phylum Protochordata.

Q 34.

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

Q 35.

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

Q 36.

Who introduced the system of scientific nomenclature of organisms?

Q 37.

Pines and Deodar belong to which group of Plants?

Q 38.

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

Q 39.

Give three examples of Molluscs

Q 40.

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 41.

Give examples of egg laying mammals

Q 42.

What is the primary reason for such a huge diversity we find in animals and plants?

Q 43.

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

Q 44.

Name five countries that lie in the region of megadiversity.

Q 45.

Define evolution.

Q 46.

Why are Thallophytes called non-embryonic plants?

Q 47.

How are pteridophytes different from the phanerogams?

Q 48.

What are naked-seeded plants are called?

Q 49.

Give two examples of Gymnosperms.

Q 50.

Give examples of Porifera or Sponges.