From nasal cavity, the air goes into pharynx. After pharynx the track is divided into two passages. Those are ……… , ……
1) Stomach, duodenum
2) Trachea, digestive canal
3) Larynx, epiglottis
A) 1 only
B) 1 and 2
C) 2 only
D) 1 and 3
1 Answers
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When twice a non zero positive numbr is divided by its cube root the quotient is obtained as 32 .If the cube of the number is divided by the number it
Correct Answer - `4^(6)`
2 Answers 2 views
The stomach, located in the upper (A)_____ portion of the abdominal cavity, has three major parts-a (B)____ portion into which the oesophagus oopens,
Correct Answer - A-left, B-cardiac, C-fundic D-pyloric
2 Answers 1 views
A racing car completes 5 rounds of a circular track in 2 minutes. Find the radius of the track if the car has uniform centripetal
Given: 5 rounds = 2πr(5), t = 2minutes = 120s To find: Radius (r) Formula: acp = ω2r Calculation: From formula, acp = ω2r ∴ π2 = \(\frac{V^2}{r}\) But v = \(\frac{2\pi r(5)}{t}=\frac{10\pi r}{t}\) ∴ π2 = \(\frac{100 \pi^2 r^2}{rt^2}\) ∴ r = \(\frac{120\times120}{100}\) =144m The radius of...
2 Answers 1 views
Arrange the following in order. 1. Pharynx 2. Larynx 3. Alveolus 4. Bronchus
(C) 1, 2, 4, 3
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Pharynx opens into the trachea through:
Pharynx opens into the trachea through epiglottis
2 Answers 1 views
Choose the correct pathway A) Nostrils → Pharynx → Trachea → Blood
D) Nostrils → Pharynx → Larynx → Trachea → Alveolus
2 Answers 1 views
Identify the mismatched pairs from the following. 1) Haeckel – Divided organisms into three kingdoms 2) Copeland – Divided into six kingdoms
Correct option is D) 1, 2
2 Answers 1 views
The long, thin and narrow tube connecting pharynx to the stomach is called
The correct answer is (C) Oesophagus
2 Answers 1 views
A ray of light travelling in air goes into water. The angle of refraction will be:
b) Refraction of light (as it comes out from water into air).
2 Answers 1 views