# 1เลือกประเภทWhat is the largest living animal in the world?a) Elephant b) Blue whalec) Great white sharkd) Giraffe
# 3เลือกประเภทWhat is the maximum weight of a blue whale?a) 100 metric tons b) 150 metric tonsc) 180 metric tonsd) 200 metric tons
# 4เลือกประเภทWhat is the weight of a blue whale's tongue?a) As much as a small car b) As much as an elephant c) As much as a persond) As much as a horse
# 5เลือกประเภทHow heavy is a baby blue whale when born?a) 1.5 metric tons b) 2.7 metric tonsc) 3.6 metric tonsd) 4.5 metric tons
# 6เลือกประเภทHow much weight does a baby blue whale gain each day in its first year?a) 50 kilograms b) 75 kilograms c) 91 kilogramsd) 100 kilograms
# 7เลือกประเภทHow fast can a blue whale swim?a) 15 kilometers an hour b) 20 kilometers an hourc) 32 kilometers an hourd) 40 kilometers an hour
# 8เลือกประเภทHow much krill does an adult blue whale eat daily?a) 2.5 metric tons b) 3.6 metric tonsc) 5 metric tonsd) 6 metric tons
# 10เลือกประเภทWhat happens when a blue whale comes to the surface to breathe?a) It sings loudly. b) It blows water 12 to 15 meters high.c) It eats krill. d) It dives back immediately.
# 11เลือกประเภทWhy are blue whales considered mammals?a) They are warm-blooded and give live birth.b) They live in the ocean. c) They eat krill. d) They are very large.
# 12เลือกประเภทHow do blue whales communicate?a) By splashing water b) By using loud calls and songs c) By diving deep d) By jumping out of the water
# 13เลือกประเภทHow loud is a blue whale’s call compared to other sounds?a) Softer than a jet b) As loud as a carc) Louder than a jetd) As soft as a human voice
# 14เลือกประเภทHow far can a blue whale's call travel in the ocean? a) Tens of kilometersb) Hundreds of kilometersc) Thousands of kilometersd) Only a few kilometers
# 15เลือกประเภทWhat does the passage say about the blue whale’s endangered status?a) Blue whales are still endangered.b) Blue whales are no longer endangered.c) Blue whales are extinct.d) Blue whales are critica.
# 16เลือกประเภทWhat can a blue whale NOT swallow? a) Shrimp b) Krill c) Plankton d) Large fish a) Shrimpb) Krillc) Planktond) Large fish
# 17เลือกประเภทWhat is the main idea of the passage? a) The eating habits of blue whalesb) The physical characteristics and behaviors of blue whales whalesc) The dangers blue whales faced) The history of blue whales
# 18เลือกประเภทWhat part of the blue whale is compared to a car in size? a) Tongue b) Heart c) Head d) Tail a) Tongueb) Headc) Heartd) Tail
# 19เลือกประเภทHow does a blue whale eat krill? a) By chasing and biting themb) By swallowing large fish along with krillc) By swimming with its mouth opend) By filtering water through its teeth
# 20เลือกประเภทWhat is krill? a) A type of large fishb) A type of planktonc) Small shrimp-like creaturesd) A kind of seaweed