What was the main food source for early humans?

Explanation: Early humans gathered wild plants and hunted for food.

Q: Prokaryotic cells lack what key structure and other membrane-bound organelles?
Ans: nucleus

Q: Which organ produces antidiuretic hormone (ADH)?
Ans: Pituitary gland

Q: Which river originates in the Tibetan Plateau?
Ans: Indus

Q: What is most energy that is lost to the environment lost as?
Ans: heat

Q: As per information on January 18, 2025, which player scored the first century of 2025?
Ans: Kushal Perera

Q: Which modern vaccine prevents yellow fever?
Ans: Yellow fever vaccine

Q: Where has the 13th 'National Seed Conference' started on November 30, 2024?
Ans: Varanasi

Q: Which state became the best performing under PM Swanidhi Yojana on July 19, 2024?
Ans: Madhya Pradesh

Q: Which country's "Dhulikhel" has become the first WHO-recognized healthy city?
Ans: Nepal

Q: What controls all five senses?
Ans: endocrine system

Q: What is the amount after 3 years for Rs. 1
Ans: 000 at 10% simple interest?

Q: Which country's cricketer James Anderson announced his retirement?
Ans: England

Q: What do you call air flowing over earth’s surface?
Ans: wind

Q: On November 11, 2024, which country abolished fast-track visas for students from 14 countries?
Ans: Canada

Q: What occurs not only as organisms grow, but as they reproduce.
Ans: flight division