LGS Mixed Practice Test #289

Question 1

Water absorbed in:‌​‍

Accepted Answer

All — All along, esp. large intestine.‌​‍

Answer

Small intestine

Answer

Large intestine

Answer

Stomach

Question 2

Second longest:‌​‍

Accepted Answer

Bharathapuzha — Bharathapuzha (209 km), also called Nila.‌​‍

Answer

Pamba

Answer

Chaliyar

Answer

Kabini

Question 3

The IPCC's Sixth Assessment Report (AR6) highlights that human activities have unequivocally caused global warming. Which of the following sectors is identified as the largest contributor to global greenhouse gas emissions according to AR6?

Accepted Answer

C. Electricity and Heat Production — AR6 reports that the electricity and heat production sector is the largest contributor to global greenhouse gas emissions, primarily due to the burning of fossil fuels. Transportation (A) is a significant but smaller contributor, while AFOLU (B) and industrial processes (D) are also major but ranked lower.

Answer

A. Transportation

Answer

B. Agriculture, Forestry, and Other Land Use (AFOLU)

Answer

D. Industrial Processes

Question 4

Which of the following has the highest specific heat capacity?‌​‍

Accepted Answer

Water — Water's specific heat (4.186 kJ/kg·K) is exceptionally high — regulates climate.‌​‍

Answer

Copper

Answer

Mercury

Answer

Iron

Question 5

Oommen Chandy terms as CM:‌​‍

Accepted Answer

2 — 2004-06 and 2011-16.‌​‍

Answer

1

Answer

4

Answer

3

Question 6

The primary site for the absorption of digested nutrients (like glucose, amino acids, and fatty acids) into the bloodstream is the:

Accepted Answer

D. Small intestine — The small intestine, particularly the jejunum and ileum, is specifically adapted with villi and microvilli to maximize surface area for the absorption of most digested nutrients into the circulatory and lymphatic systems. The stomach primarily digests proteins, the large intestine absorbs water and electrolytes, and the esophagus is a transport tube.

Answer

A. Stomach

Answer

B. Large intestine

Answer

C. Esophagus

Question 7

A high school science teacher is introducing the concept of 'photosynthesis' to students who have prior knowledge of basic plant biology. Which approach, aligned with Bruner's theory of learning, would be most effective?

Accepted Answer

B. Ask students to design and conduct a simple experiment to observe plant growth under different light conditions, then guide them to infer the role of light. — Bruner advocated for 'discovery learning,' where students actively construct knowledge by exploring and manipulating their environment. Option B encourages students to engage in hands-on experimentation and infer principles themselves, which is central to Bruner's approach. This contrasts with passive reception of information (A, C) or merely presenting research (D).

Answer

A. Present the concept through a detailed lecture, followed by a textbook reading assignment.

Answer

C. Provide a comprehensive graphic organizer outlining all the steps and components of photosynthesis before the lesson.

Answer

D. Divide students into groups and assign each group a different part of the photosynthesis process to research and present.

Question 8

Who founded Muhammadeeya Sabha in Kannur?‌​‍

Accepted Answer

Sayyed Sanahulla Makti Thangal — Sayyid Sanaullah Makti Thangal founded Muhammadeeya Sabha for Muslim reform.‌​‍

Answer

Vakkom Maulavi

Answer

Sheikh Muhammed Hamadani Thangal

Answer

Ummar Khasi

Question 9

Which acid is found in vinegar?‌​‍

Accepted Answer

Acetic acid — Vinegar contains Acetic acid (CH₃COOH). ‌​‍Citric acid = lemon. HCl = stomach. ‌​‍H₂SO₄ = car batteries.

Answer

Citric acid

Answer

Hydrochloric acid

Answer

Sulphuric acid

Question 10

Adrenaline from:‌​‍

Accepted Answer

Adrenal gland — Fight or flight hormone.‌​‍

Answer

Pancreas

Answer

Pituitary

Answer

Thyroid

LGS Mixed Practice Test #289