Which of the following is a Lewis base...? Mcqs

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Which of the following is a Lewis base...?

(A) HNO3
(B) CN

(C) HCl
(D) AlCl3

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Which gas is transported out of the leaf into the air...?

(A) Carbon Dioxide (CO2)
(B) Nitrogen (N2)

(C) Water Vapor (H2O)
(D) Oxygen (O2)

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Vitamin C is found in_________...?

(A) Sea Food
(B) Seeds

(C) Fruits and Vegetables
(D) None of these

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The protein content in wheat is approximately_______________...?

(A) 6%
(B) 9%

(C) 12%
(D) 15%

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What cells are involved in bone remodeling...?

(A) Osteoblasts
(B) Osteoclasts

(C) Osteocytes
(D) All of these

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On the bases of food type, animals can be classified into how many kinds...?

(A) 1
(B) 2

(C) 3
(D) 4

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Which mineral is the present in meats, eggs, table salt, fruits and vegetables...?

(A) Sodium
(B) Iodine

(C) Calcium
(D) Magnesium

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A wheel with pointed edges like teeth are...?

(A) Pulley
(B) Gear

(C) Axle
(D) Sprocket

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The transfer of food material from producers through some organisms with repeated eating and being eaten is called...?

(A) Food pyramid
(B) Food chain

(C) Food web
(D) Ecological pyramid

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The entire light is reflected into the same denser medium, which is called total...?

(A) External reflection
(B) External refraction

(C) Internal reflection
(D) Internal refraction

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