Question:
Define Cryptograms.
Answer:
- Cryptograms are plants with hidden (inconspicuous) reproductive organs.
- The thallophytes, the bryophytes and the pteridophytes collectively called cryptograms.
- External flowers or seeds are absent and they have naked embryos called spores.
Diversity in Living Organisms
Q 1.
What is a notochord? What does it do?
Q 2.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 3.
Give three examples of animals belong to Echinodermata
Q 4.
Name the phylum to which Start fish and Sea urchin belong to?
Q 5.
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 6.
Give examples of egg laying mammals
Q 7.
Name the plants that are called "
First vascular land plants".
Q 8.
How Phanerogams are divided further chiefly?
Q 9.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 10.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 11.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 12.
Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?
Q 14.
Which do you think is a more basic characteristic for classifying organisms?(a) the place where they live.(b) the kind of cells they are made of. Why?
Q 15.
Give examples of bryophytes.
Q 16.
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 17.
Give an example of mammal that can fly.
Q 18.
Who wrote the book
The Origin of Species?
Q 19.
Give examples of Thallophyta plants.
Q 20.
Write the differences between monocots and dicots.
Q 22.
Give examples of animals belong to Nematoda.
Q 23.
Name a parasitic disease caused by members of Nematoda.
Q 24.
How is a body of Arthropods segmented?
Q 25.
What is the type of circulatory system present in Arthropods?
Q 26.
Do Protozoans have eyes?
Q 27.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 28.
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 29.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 30.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 31.
What changes are evolved in limbs of aves?
Q 32.
Why do we classify organisms?
Q 33.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 34.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 35.
What are naked-seeded plants are called?
Q 36.
Do sponges have a nervous system?
Q 37.
Give examples of Porifera or Sponges.
Q 38.
What are four main features of phylum coelenterates?
Q 39.
Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?
Q 40.
Which animal phylum is commonly called as flatworms?
Q 41.
Name the largest group (phylum) of animals.
Q 42.
Give examples of Arthropod animals.
Q 43.
Why are Bats and whales classified as mammals?
Q 44.
Which division of plants are often called amphibians of the plant kingdom?
Q 45.
Give three examples of flightless birds.
Q 46.
On what bases are plants and animals put into different categories?
Q 47.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 48.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 49.
Explain the basis for grouping organisms into five kingdoms.
Q 50.
How do the saprophytes get their food? Give two examples of a saprophyte.
