Presence of which of following elements in rock layers indicated mass extinction

Question

Presence of which of following elements in rock layers indicated mass extinction caused by a meteorite about 65 million years ago?

Options:

A . iridium

B . calcium

C . titanium

D . oxygen

Answer: Option A
Answer: (a).iridium

Was this answer helpful ?

Next Question

More Questions on This Topic :

Question 1. Which of following is not a blood group type in humans?....

Question 2. Which of following is a crustacean?....

Question 3. Panthera Tigris is scientific name for which of following?....

Question 4. Molecule that an enzyme acts on is called....

Question 5. Substrate is held on enzyme with help of which bond?....

Question 6. What is effect of enzymes on Activation energy?....

Question 7. At which of following pH, enzyme pepsin works best?....

Question 8. All mechanical work in cell is powered by which of following?....

Question 9. How many olfactory receptor genes are present in mice?....

Question 10. What is generation span of HIV?....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

GPOE / GPA Combined 1 Free Mock Test SAIL JO E-0 2024

Chapter 3.1 : INTRODUCTION Chapter 3 : Sinter Plant SAIL E0 - GPOE/GPA 2024

Chapter 2.3 : COAL HANDLING PLANT - Set 1 Chapter 2 : Coke Ovens and Coal Chemicals SAIL E0 - GPOE/GPA 2024

Chapter 1.1 : INTRODUCTION Chapter 1 : Raw Material Handling Plant SAIL E0 - GPOE/GPA 2024

DSP Combined 1 Free Revision Test SAIL JO E-0