Question:
Define evolution.
Answer:
Evolution is a complex process by which the characteristics of living organisms change over generations to generations and the traits are passed from one generation to the next. One of the main reason for diversity in bio-life is attributed to evolution.
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.
List important characteristics (at least three) of bryophytes.
Q 6.
How Angiosperms are divided further?
Q 7.
Which animal phylum is considered to be first triploblastic animals?
Q 8.
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 9.
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 10.
Give an example of mammal that can fly.
Q 11.
Based on evolution, primarily how organisms are categorised?
Q 12.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 13.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 14.
What is Symbiotic? Give an example of organisms which exhibit this relationship.
Q 15.
Which division among plants has the simplest organisms?
Q 16.
On what basis plants are divided into two sub-kingdoms?
Q 17.
Write the differences between monocots and dicots.
Q 18.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 19.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 20.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 21.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 22.
According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?
Q 23.
How do poriferan animals differ from coelenterate animals?
Q 24.
Which phylum is commonly called roundworms or pinworms?
Q 25.
Give examples of animals belong to Nematoda.
Q 26.
List three important characteristics of Phylum Protochordata.
Q 27.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 28.
Who introduced the system of scientific nomenclature of organisms?
Q 29.
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 30.
Pines and Deodar belong to which group of Plants?
Q 31.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 32.
Give three examples of Molluscs
Q 33.
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 34.
Give examples of egg laying mammals
Q 35.
What is the primary reason for such a huge diversity we find in animals and plants?
Q 36.
How are pteridophytes different from the phanerogams?
Q 37.
Define Cryptograms.
Q 39.
Which animal phylum is commonly called as flatworms?
Q 40.
How is a body of Arthropods segmented?
Q 41.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 42.
Algae belongs to which division of Plantae?
Q 43.
Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.
Q 44.
Sunflower, Maize, Wheat and Pea belong to which group of plants?
Q 45.
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 46.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 47.
Which is the largest group of animals?
Q 48.
Give three examples of animals belong to Echinodermata
Q 49.
Give three examples of flightless birds.
Q 50.
What are the advantages of classification?
