Environmental Science and Ecology - Comprehensive Mock Test 1

Question 1 Easy

Pick the correct match

A) Stratification - Population B) Aerenchyma - Opuntia C) Age Pyramid - Biome D) Parthenium hysterophorus - threat to biodiversity

---

Solution Breakdown:

No Details

Question 2 Easy

The National aquatic animal of India is

A) Sea horse B) River Dolphin C) Blue whale D) Gangetic shark

---

Solution Breakdown:

No Details

Question 3 Medium

As per recent government data, how many tigers died in the last three years in India

A) 29 B) 129 C) 329 D) 529

---

Solution Breakdown:

No Details

Question 4 Easy

In the environment, ozone is known for its

A) harmful effects B) useful effects C) both a and b D) inert nature

---

Solution Breakdown:

No Details

Question 5 Medium

When huge amount of sewage is dumped into a river, its BOD, will

A) increase B) decrease C) sharply decrease D) remain unchanged

---

Solution Breakdown:

No Details

Question 6 Easy

The COâ‚‚ content in the atmospheric air is about

A) 0.03% B) 0.34% C) 3.34% D) 6.50%

---

Solution Breakdown:

No Details

Question 7 Easy

Upper part of sea aquatic ecosystem contains

A) plankton B) nekton C) plankton and nekton D) benthos

---

Solution Breakdown:

No Details

Question 8 Easy

Food crops comprise

A) Cotton, Tobacco, Sugarcane B) Linseed, Castor, Turmeric C) Foodgrains, Pulses, Edible oil seeds D) Jute, Cotton, Chillies

---

Solution Breakdown:

Food crops comprise Food grains Pulses, Edible oil seeds.

Question 9 Medium

The Ministry sometimes referred to as “Green Ministry” in India is Ministry of

A) Agriculture and Rural Development B) Environment and Forests C) Surface and Transport D) Urban Development and Landscaping

---

Solution Breakdown:

No Details

Question 10 Medium

Out of total amount of water, the water found in seas and oceans is about?

A) 70% B) 90% C) 97% D) 85%

---

Solution Breakdown:

No Details