Aqua

Question 1

1. Crocodiles often swallow stones along with their food. Why?
   A) They digest the stone for nutrients
   B) They use the stones to crush food inside stomach C) They use stones to feed young ones
   D) They swallow by mistake

Answer 1

B

Question 2

2. Crocodiles do what is known as a death roll – what is a death roll?
   A) They do role play with other crocodiles
   B) They kill other crocodiles this way
   C) Crocodiles can’t tear, so they grab meat and roll to remove it D) Crocodiles kill their prey by rolling their tongues

Answer 2

C

Question 3

3. Which fish swims back to its place of birth from the ocean to the river to lay eggs?
   A) Carp
   B) Tilapia
   C) Salmon D) Catla

Answer 3

C

Question 4

4. What is the term used for water that is salty, but not as salty as seawater?
   A) Salty
   B) Sweet C) Brackish D) Hard

Answer 4

C

Question 5

5. Which of these animals does NOT eat a seal?
   A) Polar bear B) Killer Whale C) Penguin
   D) All of these

Answer 5

C

Question 6

6. Can elephants swim?
   A) Yes, they can
   B) Only Asian elephant can swim C) Only African elephant can swim D) No, they cannot swim

Answer 6

A

Question 7

7. What kind of animal are flying fish?
   A) Birds
   B) Mammals C) Insects D) Fish

Answer 7

D

Question 8

8. What kind of insect are lady birds?
   A) Cockroaches B) Beetles
   C) Grasshoppers D) Stick insects

Answer 8

B

Question 9

9. Some butterflies are brightly coloured. How does the bright colour help the Monarch butterfly?
   A) They are poisonous and the colour advertises it to predators
   B) It helps them to camouflage
   C) They are colourful so that other butterflies can see them D) None of the above

Answer 9

A

Question 10

10. India has a group of animals called monitors, in short. What kind of animal is it?
    A) Snakes
    B) Lizards
    C) Sharks D) Batteries

Answer 10

B

Question 11

11. Which is the most unexplored part of the ocean?

A) Open sea B) Coral reefs C) Mangroves D) Deep sea

Answer 11

D

Question 12

12. Mangroves are forests near the sea where trees have roots above the ground. Why?
    A) To remove salt
    B) To breathe air – which is not possible in sticky soil
    C) To grip the soil as firmly as possible D) All of above

Answer 12

D

Question 13

13. “She sells __________ on the sea floor” is a famous tongue-twister. Fill in the blank.
    A) Chalk
    B) Sea shells
    C) Sea crabs D) Cardboard

Answer 13

B

Question 14

14. Apart from Antarctica, in which of these places can penguins be found?
    A) Southern Tip of South America B) Southern Tip of Florida
    C) Southern Tip of Alaska
    D) Southern Tip of Sri Lanka

Answer 14

A

Question 15

15. In Hindi, all rivers are considered as female gender, except one major River. Which one?
A) Godavari
B) Tapi
C) Vaigai
D) Brahmaputra

Answer 15

D

Question 16

16. Which is the smallest ocean on the earth?

A) Arctic Ocean B) Indian Ocean C) Pacific Ocean D) Atlantic Ocean

Answer 16

A

Question 17

17. Ganga is the longest river in India. But which is the longest river in the world?
A) Brahmaputra
B) Nile
C) Amazon
D) Mississippi

Answer 17

B

Question 18

18. Which one of these rivers carries the largest volume of water?
    A) Brahmaputra B) Mississippi C) Amazon
    D) Okavango

Answer 18

C

Question 19

19. From where does the river Ganga originate?
    A) Mansarovar B) Gaumukh C) Auli
    D) Kedarnath

Answer 19

B

Question 20

20. What is a marine ecosystem occurring on the ocean floor called?
    A) Pelagic
    B) Euphotic C) Pycnocline D) Benthic

Answer 20

D

Question 21

21. What is the age upto which Bottlenose dolphins can live in the wild?
    A) 10 years B) 20 years C) 40 years D) 60 years

Answer 21

C

Question 22

22. Which of the following marine creatures is closely related to sharks?
    A) Puffer Fish B) Jellyfish C) Lionfish D) Stingray

Answer 22

D

Question 23

23. Which of the following marine creatures is covered with spines and stays attached to rocks or to the sea floor?
    A) Corals
    B) Sea Anemone
    C) Sea Urchins D) Sponges

Answer 23

C

Question 24

24. What is an otter’s home called?

A) Hutch B) Holt C) Nest D) Stop

Answer 24

B

Question 25

25. Which is the biggest fish in the world?
A) Blue Whale
B) Killer Whale
C) Whale Shark
D) Great White Shark

Answer 25

C

Question 26

26. What is the organ that helps fish to breathe underwater called?
    A) Snorkel
    B) Oxygenator C) Gills
    D) Nose

Answer 26

C

Question 27

27. Which marine organism amongst the following is a fish?

A) Whale B) Dolphin C) Shark D) Jellyfish

Answer 27

C

Question 28

28. Rays are unique fish, easily distinguished by their shape and flying-motion while swimming. In the picture is the largest ray in the world. But despite its large size, this ray feeds on tiny, microscopic organisms. Which ray is this?
    A) Angelfish
    B) Giant Manta Ray C) Flatfish
    D) Birdfish

Answer 28

B

Question 29

29. Guwahati, which includes Dispur the capital of Assam, is located on the banks of which river?
    A) Brahmaputra
    B) Ganga
    C) Yamuna D) Godavari

Answer 29

A

Question 30

30. Pond skaters are specialized aquatic insects which float on water and feed on other insects fallen in the water. How do these insects manage to stay afloat?
    A) Pond skater’s body is covered with oil, hence repelling them from water
    B) Long legs covered with hair distribute the pond skater’s weight, hence not allowing them to break the surface tension of water and sink
    C) Pond skaters are found in sea water; the weight of salt keeps them floating
    D) Pond skaters actually fly over the surface of the water and seem to float to the naked eye

Answer 30

B

Question 31

31. Which animal uses echo-location to communicate with others of its kind?
    A) Flying fish B) Tadpole C) Whale
    D) Tuna

Answer 31

C

Question 32

32. Which ocean has the deepest trenches?
    A) Pacific B) Indian
    C) Atlantic D) Trenches are of same depth everywhere

Answer 32

A

Question 33

33. What is the main food of the otters, an aquatic mammal?

A) Fish B) Birds C) Fruits D) Carrion

Answer 33

A

Question 34

34. I am a pure vegetarian but most people believe that I eat other animals. I spend a lot of time in water, usually in the shallow parts of ponds, lakes, and river. You will mostly see me sleeping or resting. Although I love to spend time in water, I don’t know how to swim and move in water by walking on the riverbed. I can easily do this as I can hold my breath for up to 10 minutes at a time. Who am I?
    A) Tortoise B) Rhinoceros C) Hippopotamus D) Crocodile

Answer 34

C

Question 35

35. What among the following is absent in adult frogs?

A) Gills B) Eyes C) Head D) Legs

Answer 35

A

Question 36

36. This fish is known for its exquisite camouflage. It is found only in the seas around southern Australia. Identify this fish in the picture.
    A) Leafy Seahorse B) Dragonfish
    C) Leafy Sea dragon D) Seaweed Fish

Answer 36

C

Question 37

37. Why are certain black corals valuable to humans?
    A) They contain an antioxidant which is used in traditional medicine in many parts of Asia
    B) They are polished and made into jewellery
    C) Extracts from the corals are used as paints
    D) They are edible

Answer 37

B

Question 38

38. Which body part of a Walrus is most useful to the animal while hunting?
A) Tail
B) Eyes
C) Tusks
D) Whiskers

Answer 38

D

Question 39

39. There are 7 species of sea turtles found worldwide. Which one of them is the largest?
A) Loggerhead Sea Turtle
B) Hawksbill Sea Turtle
C) Green Sea Turtle
D) Leatherback Sea Turtle

Answer 39

D

Question 40

40. Which of the following is the largest living species of Penguin?
    A) King Penguin
    B) Macaroni Penguin C) Humboldt Penguin D) Emperor Penguin

Answer 40

D

Question 41

41. The Killer Whale is not actually a whale. What is it exactly?
    A) Shark B) Dolphin C) Seal
    D) Fish

Answer 41

B

Question 42

42. All seahorses belong to the genus ‘Hippocampus’ which is derived from two Greek words, ‘hippos’ and ‘kampos’. What do these words mean?
A) Horse & Sea Goddess
B) Horse & Sea Monster
C) Hippopotamus & Fish
D) Hippopotamus & Deep Sea

Answer 42

B

Question 43

43. Sharks are fishes and hence are considered ectothermic (body temperature same as surroundings). But there is one shark which can actually regulate its body temperature. Which shark is this?
A) Bull Shark
B) Whale Shark
C) Great White Shark
D) Basking Shark

Answer 43

C

Question 44

44. Although all sharks can detect electrical pulses, in which of the following sharks is the sense of detecting electrical pulses very sensitive, allowing the shark to find prey even buried in the sand?
    A) Basking Shark
    B) Great White Shark C) Mako Shark
    D) Hammerhead Shark

Answer 44

D

Question 45

45. Which of the following is true about shark migration?
    A) Some sharks migrate solitary
    B) Some sharks migrate in groups of hundreds C) Both A & B are true
    D) Sharks don’t migrate at all

Answer 45

C