OnlineCBT Logo OnlineCBT
⚲
हिन्दी
OnlineCBT Logo OnlineCBT
⚲

Biology · PYQ NEET UG 2019(2)

हिन्दी

Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categorised as

  1. A
    Alien species invasion
  2. B
    Co-extinction
  3. C
    Habitat fragmentation
  4. D
    Over exploitation
View Answer & Solution

Correct answer · Option A

Alien species invasion

Explanation

Introduction of non-native species like African catfish (Clarias gariepinus) poses a threat to indigenous catfish due to alien species invasion.

Related questions

What will be the sequence of mRNA produced by the following stretch of DNA? \( 3' \text{ ATGCATGCATGCATG } 5' \) TEMPLATE STRAND \( 5' \text{ TACGTACGTACGTAC } 3' \) CODING STRAND→Where is the respiratory electron transport system (ETS) located in plants?→Which of the following sexually transmitted diseases do not specifically affect reproductive organs?→Match the following joints with the bones involved: i. Gliding joint - a. Between carpal and metacarpal of thumb ii. Hinge joint - b. Between atlas and axis iii. Pivot joint - c. Between the Carpals iv. Saddle joint - d. Between Humerus and Ulna Select the correct option from the following:→
OnlineCBT

Our mission is "To educate students and help them excel in competitive exam preparation to the best of their potential. To impart good values in students and develop their overall exam readiness."

Useful Link
Important Pages
Courses & Practice
Contact
Address

Plot No 10, Dholigumti, Panditpura Road, Bandikui, Dausa(Raj) 303313

Contact

+91 9694780911

 E-mail

onlinecbtportal@gmail.com

 Helpline Number

+91 9694780911
Share
Click To Download
Get it on Google Play

ऐप डाउनलोड करने
के लिए Google Play पर
उपलब्ध है

Terms of Use | Privacy Policy | Cookie Policy | Disclaimer | Editorial Policy | Fact Check | Corrections | DMCA | Ad Choices

Copyright © 2026 - OnlineCBT.in. All Rights Reserved.

WhatsApp Chat