Which of the following is a noble gas?
Anonymous Quiz
2%
Oxygen
95%
Helium
3%
Nitrogen
0%
Carbon dioxide
Which type of bond is formed between two chlorine atoms in a Cl₂ molecule?
Anonymous Quiz
12%
Ionic bond
83%
Covalent bond
3%
Hydrogen bond
2%
Metallic bond
Which of the following is a sex-linked disorder?
Anonymous Quiz
18%
Sickle cell anemia
71%
Hemophilia
10%
Thalassemia
2%
Cystic fibrosis
Which part of the human brain is responsible for regulating body temperature?
Anonymous Quiz
3%
Cerebrum
7%
Cerebellum
84%
Hypothalamus
6%
Medulla oblongata
Which hormone is secreted by the pineal gland?
Anonymous Quiz
86%
Melatonin
6%
Thyroxine
3%
Insulin
5%
Adrenaline
Which of the following is an example of an amphibian?
Anonymous Quiz
5%
Lizard
83%
Frog
3%
Snake
9%
Crocodile
What is the role of guard cells in plants?
Anonymous Quiz
2%
Transport water
3%
Perform photosynthesis
95%
Regulate the opening and closing of stomata
1%
Store nutrients
Which of the following has the highest ionization energy?
Anonymous Quiz
16%
Na
17%
Mg
10%
Al
58%
Cl
What is the IUPAC name of the compound: CH₃-CH(OH)-CH₂-CH₃?
Anonymous Quiz
1%
Butanol
90%
2-Butanol
3%
1-Butanol
6%
2-Methylpropanol
Which gas is released when metal reacts with acid?
Anonymous Quiz
4%
Oxygen
9%
Nitrogen
77%
Hydrogen
10%
Carbon dioxide
Which of the following is an example of a Lewis acid?
Anonymous Quiz
18%
NH₃
9%
H₂O
68%
AlCl₃
5%
OH⁻
Which of the following is the powerhouse of the cell?
Anonymous Quiz
1%
Nucleus
98%
Mitochondria
1%
Ribosome
0%
Golgi body
What is the functional unit of the kidney?
Anonymous Quiz
8%
Neuron
90%
Nephron
1%
Alveolus
1%
Villus
Which vitamin is known as the sunshine vitamin?
Anonymous Quiz
8%
Vitamin A
4%
Vitamin B
10%
Vitamin C
78%
Vitamin D
Which of the following carries oxygenated blood?
A)
B) C) D)
A)
B) C) D)
Anonymous Quiz
15%
Pulmonary artery
80%
Pulmonary vein
4%
Superior vena cava
1%
Inferior vena cava
Which part of the brain controls balance and coordination?
Anonymous Quiz
18%
Cerebrum
55%
Cerebellum
15%
Medulla oblongata
13%
Hypothalamus