Metals, Non-metals & Semimetals

1. Identify the metal which is Non-toxic in nature– (A) Gold (B) Cadmium (C) Cobalt (D) Chromium Ans. (A) 2. the Main constituent of liquid bleach is – (A) Hydrochloric acid (B)

Human body system

F. Endocrine System 1. Which of the following release sex hormone– (A) Adrenal gland (B) Thyroid gland (C) Pituitary gland (D) Sebaceous gland Ans. (A) 2. Lactation hormone release from the– (A)

Skeletal System

1. How many bones are found in the human skeletal or body? (A) 212 (B) 206 (C) 202 (D) 200 Ans. (B) 2. In human body total bones are– (A) 187 (B)

Plant Physiology and Pollination

1. Which among the following elements increases the absorption of water and calcium in plants? (A) Manganese (B) Boron (C) Copper (D) Molybdenum Ans. (B) 2. Which wood will become useless soon