VFA Mixed Practice Test #811

Question 1

Lens formula:‌​‍

Accepted Answer

1/v - 1/u = 1/f — Cartesian sign convention. ‌​‍For convex lens f>0; concave f<0. Magnification m = v/u.

Answer

u = v

Answer

u + v = f

Answer

1/u + 1/v = 1/f

Question 2

The Malabar Rebellion (Mappila Rebellion) of 1921 was centred in:‌​‍

Accepted Answer

Kozhikode and Malappuram — The 1921 Malabar Rebellion was centred in the Eranad and Valluvanad taluks of present-day Malappuram and Kozhikode.‌​‍

Answer

Kannur and Kasaragod

Answer

Palakkad and Thrissur

Answer

Ernakulam and Thrissur

Question 3

A philosophical individual, often described as untidy or unkempt, complains of chronic skin eruptions with intense itching that is worse from warmth of bed and bathing. They experience a burning sensation in the soles of their feet at night, putting them out of bed to find a cool spot. Which remedy best fits this description?

Accepted Answer

D. Sulphur — Sulphur is indicated for individuals who are often untidy, philosophical, and have burning sensations, especially in the soles of the feet, which force them to put their feet out of bed. Skin eruptions are common, with itching worse from warmth and bathing. Psorinum is also chilly and unkempt but has offensive discharges. Graphites has thick, oozing eruptions in folds. Sepia is indifferent and desires solitude.

Answer

A. Graphites

Answer

B. Psorinum

Answer

C. Sepia

Question 4

In PowerPoint, Ctrl + M creates:‌​‍

Accepted Answer

New slide — Ctrl+M inserts a new slide in PowerPoint.‌​‍

Answer

New file

Answer

New animation

Answer

New shape

Question 5

മലയാളം ക്ലാസ്സിൽ 'സംവാദ രീതി' (Debate method) ഉപയോഗിക്കുന്നതിലൂടെ കുട്ടികളിൽ വളർത്തിയെടുക്കാൻ കഴിയുന്ന പ്രധാന കഴിവ് ഏതാണ്?

Accepted Answer

A. കാര്യകാരണ സഹിതം സ്വന്തം അഭിപ്രായം അവതരിപ്പിക്കാനുള്ള കഴിവ് — സംവാദ രീതിയുടെ പ്രധാന ലക്ഷ്യം വിദ്യാർത്ഥികളിൽ വിമർശനാത്മക ചിന്തയും വാദിക്കാനുള്ള കഴിവും വളർത്തുക എന്നതാണ്. സ്വന്തം അഭിപ്രായങ്ങളെ യുക്തിസഹമായി അവതരിപ്പിക്കാനും മറ്റുള്ളവരുടെ വാദങ്ങളെ വിലയിരുത്താനും ഇത് സഹായിക്കുന്നു. കൈയക്ഷരം, മനഃപാഠമാക്കൽ, അല്ലെങ്കിൽ പുതിയ വാക്കുകൾ കണ്ടെത്തൽ എന്നിവ സംവാദ രീതിയുടെ നേരിട്ടുള്ള ലക്ഷ്യങ്ങളല്ല.

Answer

B. മനോഹരമായ കൈയക്ഷരം

Answer

C. പാഠഭാഗങ്ങൾ മനഃപാഠമാക്കാനുള്ള കഴിവ്

Answer

D. പുതിയ വാക്കുകൾ വേഗത്തിൽ കണ്ടെത്താനുള്ള കഴിവ്

Question 6

A major industrial complex in an ecologically sensitive zone of Kerala is found to be regularly violating environmental norms by discharging untreated effluents and emitting hazardous air pollutants, severely impacting the local ecosystem and public health. Which of the following is the principal umbrella legislation that empowers the Central Government to take comprehensive measures, including setting national standards, issuing directions, and coordinating actions for the prevention, control, and abatement of such multi-faceted environmental pollution?

Accepted Answer

C. The Environment (Protection) Act, 1986 — The Environment (Protection) Act, 1986, is an umbrella legislation enacted to provide for the protection and improvement of the environment and for matters connected therewith. It grants broad powers to the Central Government to take all necessary measures to protect and improve the quality of the environment, and to prevent, control, and abate environmental pollution, including setting national standards and issuing directions. While the Water Act and Air Act specifically address water and air pollution respectively, the EPA provides the overarching legal framework and comprehensive powers to

Answer

A. The Water (Prevention and Control of Pollution) Act, 1974

Answer

B. The Air (Prevention and Control of Pollution) Act, 1981

Answer

D. The Wildlife (Protection) Act, 1972

Question 7

XX chromosomes:

Accepted Answer

Female — Female = XX. Male = XY.

Answer

Male

Answer

Both

Answer

Neither

Question 8

mRNA carries the genetic code from:‌​‍

Accepted Answer

DNA in nucleus to ribosome — Messenger RNA is transcribed from DNA and translated at ribosomes.‌​‍

Answer

Ribosome to nucleus

Answer

Mitochondria to cell wall

Answer

One cell to another

Question 9

What is the full form of HTML?‌​‍

Accepted Answer

Hyper Text Markup Language — HTML = HyperText Markup Language. ‌​‍It is the standard language for creating web pages.

Answer

High Tech Modern Language

Answer

Hyper Transfer Markup Language

Answer

Home Tool Markup Language

Question 10

Idamalayar Dam is built across which river?‌​‍

Accepted Answer

Idamalayar River — Idamalayar Dam is built across the Idamalayar River, a tributary of the Periyar, in Ernakulam district.‌​‍

Answer

Chalakudy

Answer

Muvattupuzha

Answer

Periyar

VFA Mixed Practice Test #811