Olympiad Science - Diversity in Living Organisms
Exam Duration: 45 Mins Total Questions : 30
Which of the following animals can keep their body temperature constant?
- (a)
Sparrows and frogs
- (b)
Sharks and sea horses
- (c)
Whales and bats
- (d)
Frogs and snakes
Which of the following organisms has tube feet as its locomotory organs?
- (a)
Star fish
- (b)
Jelly fish
- (c)
Cuttle fish
- (d)
Silver fish
Which of the following is an egg-laying mammal?
- (a)
Duck-billed platypus
- (b)
Kangaroo
- (c)
Whale
- (d)
Bat
What is classification?
- (a)
Grouping things together on the basis of the features they have in common
- (b)
Grouping things together on the basis of how they respire
- (c)
Grouping things together on the basis of how they feed
- (d)
Grouping things together on the basis of how they survive
Which of the following trees/plants have seeds enclosed in the fruit?
- (a)
Angiosperms
- (b)
Gymnosperms
- (c)
Cryptogams
- (d)
All of the above
Which of the following is the distinguishing feature of a nematode?
- (a)
Pseudocoelom and flame cells
- (b)
Pseudocoelom and longitudinal muscle in the body wall
- (c)
Flame cells and longitudinal muscle in the body wall
- (d)
Syncytial epidermis and diploblastic nature
Which of the following sequences of taxa and the animal kingdom is correct?
- (a)
Kingdom, phylum, class, order, family, species and genus.
- (b)
Kingdom, phylum, class, order, family, genus and species.
- (c)
Kingdom, phylum, class, family, order, species and genus.
- (d)
Phylum, kingdom, class, family, order, genus and species.
Which of the following is a diploblastic animal?
- (a)
Hydra
- (b)
Leech
- (c)
Ascaris
- (d)
Fasciola
Which of the following characteristics is/ are true about arthropods?
- (a)
Unisexual with sexual dimorphism
- (b)
Metamorphosis in their life cycle
- (c)
Fertilization is usually internal but in some it may be external
- (d)
All of the above
Which of the following statements aptly describes the phylum "Annelida"?
- (a)
A group of animals in which the space between the ectoderm and endoderm is simply filled with mesenchymal mesodermal cells.
- (b)
A group of animals with long, flat body without true segmentation, that lives in water or moist soil or are parasitic invertebrates.
- (c)
A group of animals that have an elongated, cylindrical and unsegmented body.
- (d)
A group of animals that have an elongated body that is composed of partitions called metameres or annulations.
In most of the Aschelminthes, the respiratory and circulatory systems are absent. Where do they get their oxygen needed for living from?
- (a)
They can absorb oxygen directly from air.
- (b)
They have special oxygen cylinder attached to them.
- (c)
They have an air bubble feeds them.
- (d)
They obtain oxygen from their host through their body wall.
To which of the following phylas does the animal given below belongs to?
- (a)
Porifera
- (b)
Aschelminthes
- (c)
Annelida
- (d)
Arthropoda
In most of the Arthropods and especially in insects, their exoskeleton is shed off and a new exoskeleton is formed. What is the name of this process?
- (a)
Emasculation
- (b)
Metamorphosis
- (c)
Camouflage
- (d)
Moulting
What is the function of the part labelled P in the given figure?
- (a)
Nutrition
- (b)
Respiration
- (c)
Osmoregulation
- (d)
Both (A) and (C)
Which of the following is not one of the five kingdoms of R.H.Whittaker's classification system?
- (a)
Animalia
- (b)
Monera
- (c)
Protista
- (d)
Chordata
which of the following plant has the given characteristics?
1. The plant body is differentiated into
roots, stem and leaves.
2. The first plant to have conducting tissue.
- (a)
Riccia
- (b)
Fern
- (c)
Pinus
- (d)
Cycas
Which of the following statements is true about sponges?
- (a)
They have the water vascular system.
- (b)
They have numerous pores on their body.
- (c)
They have a cavity in the body.
- (d)
Their body is made up of two layers.
Which of the following statements is true about planaria?
- (a)
This animal is covered with a hard outside layer.
- (b)
There is no segmentation of its flat body and it lives as a parasites.
- (c)
The body is made up of two layers.
- (d)
There are holes and segments all over the body.
Which is a diploblastic animal?
- (a)
Hydra
- (b)
Leech
- (c)
Ascaris
- (d)
Fasciola
Which of these contain highly evolved plants in the plant kingdom?
- (a)
Bryophytes
- (b)
Pteridophytes
- (c)
Angiosperms
- (d)
Gymnosperms
Which of these groups of words means the same thing?
- (a)
Autotrophs and consumers
- (b)
Autotrophs and producers
- (c)
Heterotrophs and producers
- (d)
Autotrophs and carnivcre
Which of these move with the help of pseudopodia?
- (a)
Paranecium
- (b)
Euglena
- (c)
Amoeba
- (d)
Plasmodium
Which of the following is not an insect?
- (a)
Mosquito
- (b)
Housefly
- (c)
Spider
- (d)
Butterfly
Which of these kingdoms contains unicellular animals?
- (a)
Eubacteria
- (b)
Archaebacteria
- (c)
Fungi
- (d)
Protista
Which of these classes of animals have dry scaly skin, internal fertilisation and are cold blooded animals?
- (a)
Aves
- (b)
Amphibians
- (c)
Pisces
- (d)
Reptiles
Which of the following phyla includes diploblastic, aquatic animals with tissue grade of organization?
- (a)
Protozoa
- (b)
Porifera
- (c)
Cnidaria
- (d)
Helminthes
Which of the following is NOT the characteristic feature of flowering plants?
- (a)
They include non - woody trees and shrubs.
- (b)
They have stems, leaves and root.
- (c)
They produce seeds.
- (d)
They have finely divided leaves called fronds.
Which of the following bears flowers?
- (a)
Fern
- (b)
Mushroom
- (c)
Mould
- (d)
Paddy
What is the drawback of the 'five kingdom classification'?
- (a)
The inclusion of unicellular eukaryotes in the kingdom Protista.
- (b)
The inclusion of bacteria and cyanobacteria in the kingdom Monera.
- (c)
The distinction of the unicellular viruses.
- (d)
The inclusion of fungi as the third major evolutionary kingdom.
Which of the following kingdoms is intermediate between kingdom monera and multicellular organisms?
- (a)
Fungi
- (b)
Animalia
- (c)
Plantae
- (d)
Protista
