🧠 Exam ke TOP Questions

Q1. Jeevon ko food ki zarurat kyun hoti hai?

Ans: Growth, body maintenance aur required energy ke liye. �

book-class-7-vigyan-chapter-1-hindi-medium.pdf

Q2. Autotroph kise kehte hain?

Ans: Jo organisms apna food khud synthesize karte hain.

Q3. Photosynthesis kya hai?

Ans: Green plants sunlight ki presence mein CO₂ aur water se food banate hain; is process ko photosynthesis kehte hain.

Q4. Photosynthesis ke liye kya-kya required hai?

Ans: Sunlight, chlorophyll, carbon dioxide aur water. �

book-class-7-vigyan-chapter-1-hindi-medium.pdf

Q5. Photosynthesis mein kaunsi gas release hoti hai?

Ans: Oxygen. �

book-class-7-vigyan-chapter-1-hindi-medium.pdf

Q6. Amarbel kis type ka plant hai?

Ans: Parasitic plant. �

book-class-7-vigyan-chapter-1-hindi-medium.pdf

Q7. Insectivorous plant kya hota hai?

Ans: Aisa plant jo insects ko capture karke nutrition prapt karta hai.

Q8. Saprotrophs kya hote hain?

Ans: Jo organisms dead aur decaying organic matter se nutrients prapt karte hain. �

book-class-7-vigyan-chapter-1-hindi-medium.pdf

Q9. Rhizobium ka kya role hai?

Ans: Ye atmospheric nitrogen ko plants ke liye useful form mein convert karne mein help karta hai. �

book-class-7-vigyan-chapter-1-hindi-medium.pdf

Q10. Stomata kya hain?

Ans: Leaves ki surface par present tiny openings, jinke through gases ka exchange hota hai. �