Class 5 unit 1

Class        5                unit 1
1 Define classification?
Ans Classification means to separate different things or objects on the basis of similarities and differences present in them.
2 What is kingdom?
Ans Livening things around us are classified in five major groups. These groups are called kingdoms.
4 What is unicellular organism?
Ans An organism whose body consists of one cell is called unicellular organism.
5 What is melticellular organism?
Ans An organism whose body consists of many cells is called multicellular organism.
6 Write the structure of cell of bacteria?

Ans Cell wall, cell membrane, capsule, chromosome, flagellum.
7 Is nucleus present in bacterial cell?
Ans No.
8 Which organ controls the activities in bacterial cell?
Ans Chromosome.
9 How bacteria get their food?
Ans Some bacteria can make their own food, some get food from dead materials. Many bacteria make relations with other organism to get food.
10 Write advantages of bacteria?
Ans a.Many bacteria are used in making medicines
b.They are used in making dairy product such as yogurt, cheese
11 Write disadvantages of bacteria?
Ans They cause diseases like tuberculosis,diarrhoea,
12 How bacteria can move?
Ans Bacteria move with the help of flagellum.
13 What are algae?
Ans Plant-like organisms in the second kingdom are called algae.
14 How algae  get their  food?
Ans Algae can prepare their own food.
15 In which habitat algae grow?
Ans Algae mostly grow in aquatic habitats.
16 By  which process algae prepare their  food?
Ans Photosynthesis
17 Fungi are unicellular or multicellular?
Ans Almost all fungi are multicellular.
18 Where fungi grow?
Ans Fungi grow on damp places and many of them grow on tree trunks,bread,fruit and other foods.
19 Can fungi make their own food?
Ans No, Fungi cannot prepare their own food.
20 Name some fungi.
Ans Mushrooms, puffballs, brackets etc
21 Write the name of major parts of plant?
Ans Root, stem and leaves are the major parts of plants.
22 Why leaves are green in color?
Ans Leaves are green in color because many cells of leaves have green material called chlorophyll.
23 How leaves prepare their food?
Ans Chlorophyll helps the leaves to prepare food by the process of photosynthesis.
24 In how many groups animals are classified?
Ans Animals are classified into two major groups.
a. Invertebrates.
b. Vertebrates
25 Give some example of invertebrates?
Ans Jellyfish, earthworm, snail, octopus, starfish
26 How much percentage of invertebrates found?
Ans 98%
27 How invertebrates get support?
Ans Many invertebrates have fluid filled chamber which provide them enough support. Some have hard outer shells for support.
28 Give some example of invertebrates?
Ans Jellyfish, earthworm, snail, octopus, starfish
29 Name any intelligent invertebrate.
Ans Octopus
30 What is the shape of worms?
Ans Worms have cylinder like soft bodies. Many worms are round or flat.
31 Write down the characteristics of worms?
Ans They have cylinder like body. They do not have jointed legs or wings. They have segments in their body.
32 How many jointed legs insects have?
Ans Insects have six jointed legs.
33 Write down the main parts of insect’s body?
Ans Their body is divided into three main parts: head, thorax and abdomen.
34 Which is the biggest group of invertebrates?
ans Insect is the biggest group of invertebrates
35 What are vertebrates?
Ans The animals with backbone are called vertebrates.
36 Write down major groups of vertebrates?
Ans 1.Fishes 2.Amphibines 3.Reptails 4.Birds 5.Mammals
37 Write characteristics of fishes?
Ans Fish are all aquatic animals. They have no legs. They swim with the help of fins. All fishes breathe through gills.
38 Does an amphibian live in water and on land as well?
Ans Yes, they live on land but reproduce in water. They lay eggs in water.
39 How amphibians breathe?
Ans Their larval stages breathe through gills but the adults use lungs.
40 Write down the name of three amphibians.
Ans Toad, frog and salamander
41 In which environment reptiles lay eggs?
Ans Reptiles lay eggs on land.
42 Which group of vertebrates has longest lives among all animals?
Ans Reptiles have the longest lives among all animals. Some tortoises can live 50years or more. Alligators live about 70 years.
43 Write important features of birds?
Ans All birds have feathers. Bird has two legs and two wings. Their bones are hallowed and light in weight. It also helps them in flight.
44 Ostrich and penguin are birds but they cannot fly. Why?
Ans They cannot fly because they have weak wings.
45 Write name of smallest bird and their unique property?
Ans Hummingbirds are the smallest birds. They can also fly backward.
46 Write down the name of such mammals that live in water?
Ans Whale and dolphin are the examples of mammals that live in water.
47 In how many groups plants are classified?
Ans Plants are classified into two groups.
a.Non-flowering plants
b.Flowering plants
48 Where seeds are produce in non flowering plants?
Ans They re produced in special cones.
49 What are flowering plants?
Ans The plants that have flowers are called flowering plants.
50 In which structure of plant seed is produced in flowering plants?
Ans All flowering plants produce seeds in flowers.
51 Write some examples of flowering plants.
Ans Plants of rose, apple, orange, rice, wheat etc are some examples of flowering plants.
52 Write down classification of flowering plants?
Ans Flowering plants are classified in two major groups .a.Monocots.b.Dicots
53 Write difference between monocot and dicot flowers?
Ans Monocot: Monocots have only one cotyledon in their seeds. For example,rice,wheat,maize
Dicots: dicots have two cotyledons in their seeds. For example,mango,appel,rose
54 Where food store in monocot and dicot seeds?
Ans In monocot seed there is structure called endosperm. It store food for embryo. The dicot seeds store food in cotyledons.
55 How leaf shape and veins differ in monocot and dicot plants?
Ans Most monocot has long and narrow leaves. In their leaves, the veins are parallel. The dicots have broad leaves. Their veins are in the form of networks.
56 Write down the number and arrangement of petals and sepals in monocot?
Ans In the flower of monocot, the sepals and petals are present in multiple of 3.i.e.a set of 3or 6or9etc.
57 Write some examples of monocot plants.
Rice, wheat, maize, sugarcane, grass etc.
58 Write down the number and arrangement of petals and sepals in dicot flowers?
Ans In dicot flowers sepals and petals are present in multiple of 4or5.i.e. a set of 4or 8or12etc.or 5or10 or 15etc.
59 Write some examples of dicot plants.
Ans Plants of apple, mango, orange, pea etc
60 Write down the names of parts of embryo.
Ans Embryo consists of radicle,  plumule, cotyledons

Class 5         UNIT1
Mcqs
1) Biologist separate organisms into different groups on the basis of similarities, this is called
Ans: classification
2) Who classify living  organisms and also give proper name  to them?
Ans Biologist and scientists
3) The living things around us are classified into
Ans Five major groups
4) In old times scientists classified organism into
Ans   two groups
5) The five major groups of living organisms called
Ans Kingdom
6) An organism whose body consists of one cell is called
Ans unicellular
7) Plants are classified in
Ans fifth kingdom
8) All living things are made of
Ans cells
9)………..is not present in bacterial cell
Ans nucleus
10) In the bacteria all the activities are controlled by
Ans chromosomes
11)  Many bacteria have a whip-like structure called
Ans flagella
12) Which organism help us in making products like yogurt , cheese etc
Ans bacteria
13) By which process plants, algae can make their food?
Ans photosynthesis
14)   This kingdom has plant like organisms; is called
Ans   algae
 15)  Algae mostly grow in
Ans aquatic habitat
16) The major parts of plants are
Ans   root, stem, leaves.
17) The green pigment present in leaves is called
Ans chlorophyll
18) In which living organisms cell wall is not present?
Ans animals
19) which living organisms grow on bread, fruit and other foods?
Ans fungi
20) The cells of fungi are covered by a
Ans thick cell wall
21) Their bodies are made of thread like structure called
Ans fungi
22) These are present all around us
Ans bacteria
23) The number of groups in which animals are classified is
Ans 2
24) The animals without backbone is called
Ans invertebrates
25) For support insects have
Ans hard outer shell
26) Which animals have cylindrical like soft bodies
Ans worms
27) Insects have
Ans  six jointed legs
28) The biggest group of invertebrates is
Ans insects
29) In to how many major groups vertebrates are classified?
Ans 5
30) Fishes swim in water with the help of
Ans fins
31) Which vertebrates has moist skin and scales
Ans fish
32) These have no legs
Ans fishes
33) Which animals live both in water and on lad
Ans amphibians
34) Animals of this group has smooth and moist skin
Ans amphibians
35) Frog, toad and salamander are common
Ans amphibians
36) The skin of amphibians are
Ans smooth and moist
37) Which reptiles has no legs
Ans snake
38) This group has longest lives among all animals
Ans reptiles
39) The name of smallest bird is?
Ans humming bird
40)   Birds have weak wings and cannot fly e.g.
Ans ostrich, penguins
41) Which group of vertebrates do not have teeth?
Ans birds
42) Animals having hairs on their bodies but do not lay eggs are called
Ans mammals
43) In to how many groups plant is divided?
Ans 2
44) The main example of non-flowering plants are
Ans pin, cypress and spruce
45) Which part of the plant helps in reproduction?
 ans flowers
46) Flowers are produce in
Ans flowering plants
47) The groups of flowering plants are
Ans monocots and dicot
48) Examples of monocots are
Ans rice, wgeat, maize, grass, sugarcane
49)Dicots have ……..cotyledons in seeds?
Ans 2
50) Monocots seeds store their food in
Ans endosperm
51) The embryo consists of
Ans radicle, plumule, cotyledons
52) The shape of monocot leaves is
Ans long and narrow
53) Which type of plants have broad leaves?
Ans  Dicot
54)  In the flowers of monocots the sepals and petals are present in multiple of
Ans 3
55) Which group of plant flowers is present in multiple of 4 or 5 and network of veins in leaves?
Ans dicots
56) Seeds of these plants are not covered with fruit?
Ans conifers
57) The intelligent invertebrate is
Ans octopus