Diversity In Living Organisms
Very Short Question Answers
Q1: Who introduced the system of scientific nomenclature of organisms?
Answer: Carolus Linnaeus
Q2: In which Kingdom, an organism does not have a well defined nucleus and organelles?
Q3: In the hierarchy of classification, which group will have the largest number of organisms?
Q4: Which in your opinion is more basic characteristic for classifying organism. The place where they live in or the kind of cells they are made of?
Answer: Cell Design (Kinds of cells make an organism.)
Q5: Give examples of the organisms that have cilia and flagellum for moving around.
Answer: Paramecium (Cilia) and Euglena (Flagellum)
Q6: In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q7: Name the substance which makes the cell wall of fungi.
Answer: Chitin (tough complex sugars)
Q8: Name a symbiotic life form that grows on the bark of a tree as large, coloured patches.
Q9: In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q10: What is the primary characteristic on which the first division of organisms is made?
Answer: Cell Structure and Design
Q11: What is the mode of nutrition in Mushroom?
Answer: Saprophytic mode of nutrition
Q12: Eichler classified the plant kingdom into two sub-kingdoms. Name the two sub kingdoms.
Answer: Cryptogam and Phanerogamae.
Q13: Name the kingdom which includes the simplest form of eukaryotes.
Q14: Do Protozoans have eyes?
Answer: No, they do not have eyes. However Euglena (a protozoan) has an eye-spot which is sensitive to light.
Q15: Name the simplest of plants that do not have a well-differentiated body design.
Q16: Which division of plants are often called amphibians of the plant kingdom?
Q17: Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Answer: Archaebacteria and Eubacteria
Q18: Write the name of the group of plants, which produces seeds, but not fruits.
Q19: 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
Answer: Ujala - Mangifera indica
Q20: Algae belongs to which division of Plantae?
Q21: Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Answer: Thallophyta, Bryophyta and Pteridophyta. Seeds are called spores.
Q22: Name the two groups of Plantae that are commonly called phanerogams.
Answer: Gymnosperms and angiosperms
Q23: 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.
Q24: Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.
Q25: Identify the plant groups which has net like veins in leaves, flower parts in group of fours or fives, vascular bundles are in a ring and two seed leaves.
Q26: Give two examples of Bryophyta plants?
Answer: moss (Funaria) and Marchantia
Q27: Give two examples of Pteridophyes
Answer: Marsilea, ferns and horse-tails
Q28: Pines and Deodar belong to which group of Plants?
Q29: Sunflower, Maize, Wheat and Pea belong to which group of plants?
Q30: Identify which of the following are monocots and dicots:
garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans
Answer: Monocots - garlic, onion, corn, wheat
Dicots - tomatoes, potatoes, peppers, beans
Q31: Minimal body design, have holes which lead to canal system that helps in circulating water, marine habitat. Which division of Animalia it refers to?
Q32: Hydra, Jelly Fish, corals belog to which group of animals?
Q33: Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q34: Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q35: Which is the largest group of animals?
Q36: Identify the Animalia group having following features:
i. jointed legs
ii. bilaterally symmetrical segmented body
iii. blood filled body cavity (open circulatory system)
Q37: Which worms cause elephantiasis. Name the group it belongs to?
Answer: Filarial worms. Group is Nematodes
Q38: Give three examples of organisms that are arthopods.
Answer: Honey bees, Spiders, Prawns and Centipedes
Q39: Give three examples of Molluscs
Answer: Chiton, mussel, Pila and octopus.
Q40: What type of circulatory system do Molluscs have?
Answer: Open circulatory system.
Q41: Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?
Q42: Give three examples of animals belong to Echinodermata
Answer: Sea urchin, star fish, sea cucumber
Q43: Give three examples of Protochordata animals.
Answer: Balanoglossus, Herdemania and Amphioxus
Q44: What is the main basis of differentiation between vertebrates and non-vertebrates?
Answer: notochord and dorsal nerve cord.
Q45: Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q46: Ambibian heart is divided into how many chambers?
Q47: Name the fish which is entirely made of cartilage.
Q48: Name the fish having skeleton made of both bone and cartilage.
Answer: Tuna, rohu
Q49: 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.
Q50: Give three examples of Amphibians.
Answer: Frogs, toads and salamanders
Q51: Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q52: Name a reptile which has four chambered heart.
Q53: What changes are evolved in limbs of aves?
Answer: Forelimbs are evolved into wings for flight. Hind limbs are modified for walking, perching and swimming.
Q56: Give three examples of flightless birds.
Answer: Ostrich, Emu, Penguin, Kiwi
Q57: 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?
Q58: Give examples of egg laying mammals
Answer: platypus and echidna
Q59: Give an example of marsupial mammal
Q60: Give an example of mammal that can fly.