Explanation

Vitamin K is essential for blood clotting.

Its deficiency can lead to excessive bleeding (haemorrhage).

It helps produce clotting factors in the liver, preventing uncontrolled bleeding.

Explanation

The correct phrase is "mistaken in doing something," meaning to be wrong about an action or decision.

"In" is used to indicate the context of the mistake, making it grammatically correct.

Explanation

The correct phrase is "give assent to", meaning to approve or agree to something formally.

"Assent" refers to official approval, often used in legal or governmental contexts.

Explanation

Regular walking helps lower blood sugar levels by improving insulin sensitivity.

It is a low-impact exercise suitable for all ages and helps manage diabetes effectively.

Explanation

Slow stretching and holding method gradually lengthens muscles and improves flexibility without causing injury.

Holding the stretch for 15-30 seconds allows muscles to adapt and relax, increasing range of motion effectively.

Explanation

The parents asked them to pray to ALLAH for his recovery.

In indirect speech, "said" changes to "asked" when making a request.

The verb "to pray" remains in its base form, ensuring correct grammar.

Explanation

The first modern Olympic Games were held in Athens, Greece from April 6 to 15, 1896.

43 events in nine sports.

241 athletes from 14 nations. 

The United States won the most gold medals (11).

Greece won the most medals overall (47).

Explanation

Blouse, Skirt, and Coat are all types of clothing worn on the upper or lower body.

Slipper is footwear, making it the odd one out.

Explanation

Piaget stated that children in the concrete operational stage (ages 7–11) can think logically about concrete events but struggle with abstract or hypothetical reasoning.

Deductive logic, which involves drawing specific conclusions from general principles, develops later in the formal operational stage.

Explanation

To divide -63 by -7:

[-63] ÷ (-7) = 9