DCOA Mixed Practice Test #43

Question 1

Sex in humans is determined by chromosomes:‌​‍

Accepted Answer

XX female, XY male — Females are XX (homogametic); males XY (heterogametic).‌​‍

Answer

XY female, XX male

Answer

X vs Y only

Answer

AB vs O

Question 2

A teacher using the Audio-Lingual Method notices that students frequently make the same grammatical error despite repeated drills. What is the most appropriate next step?

Accepted Answer

C. Provide immediate and consistent feedback to correct the error during drills, reinforcing the habit. — The Audio-Lingual Method relies on immediate feedback to correct errors and reinforce habits. While shifting to a communicative approach (Option B) might help build confidence, the most effective step is to continue providing immediate, consistent corrections (Option C) to address the error directly. The other options either delay correction or fail to address the core principle of habit formation.

Answer

A. Introduce a new set of drills to reinforce the correct form without addressing the error directly.

Answer

B. Temporarily shift to a communicative approach to build confidence before returning to drills.

Answer

D. Allow students to self-correct by providing the correct answer later and moving on to avoid frustration.

Question 3

Which of the following is a PRIMARY advantage of using a lyophilized powder for injection over a ready-to-use solution?

Accepted Answer

A. Longer shelf life due to reduced moisture content — Lyophilization removes water, significantly extending shelf life by preventing hydrolytic degradation. While reconstitution time and patient compliance are factors, they are secondary to stability. Cost is not a primary advantage.

Answer

B. Faster reconstitution time

Answer

C. Lower cost of production

Answer

D. Enhanced patient compliance

Question 4

Which of the following biomolecules is classified as a simple carbohydrate?

Accepted Answer

C. Lactose — Lactose is a disaccharide composed of glucose and galactose, making it a simple carbohydrate. Starch and glycogen are polysaccharides, while cellulose is a structural polysaccharide that humans cannot digest. Simple carbohydrates are monosaccharides or disaccharides, and lactose fits this category.

Answer

A. Starch

Answer

B. Glycogen

Answer

D. Cellulose

Question 5

Arrange Kerala districts by descending 2011 Census population: (1) Thiruvananthapuram (2) Thrissur (3) Malappuram (4) Ernakulam‌​‍

Accepted Answer

Malappuram, Thiruvananthapuram, Thrissur, Ernakulam — 2011 Census: Malappuram > Thiruvananthapuram > Thrissur > Ernakulam.‌​‍

Answer

Malappuram, Thrissur, Ernakulam, Thiruvananthapuram

Answer

Malappuram, Ernakulam, Thiruvananthapuram, Thrissur

Answer

Malappuram, Thiruvananthapuram, Ernakulam, Thrissur

Question 6

The first tribal woman President of India is:

Accepted Answer

Droupadi Murmu — Droupadi Murmu (Santhal community, Odisha) sworn in as 15th President on 25 July 2022. First tribal and 2nd woman President.

Answer

Pratibha Patil

Answer

Sonia Gandhi

Answer

Sushma Swaraj

Question 7

Where did the Anti-Arrack Movement of the 1990s emerge?‌​‍

Accepted Answer

Nellore, Andhra Pradesh — Anti-Arrack Movement began in Nellore district and spread across Andhra.‌​‍

Answer

Lucknow, UP

Answer

Chandigarh, Punjab

Answer

Pune, Maharashtra

Question 8

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 9

Which of the following is the primary administrative function of the Directorate of Public Instruction (DPI) in Kerala's education system?

Accepted Answer

B. Implementing state educational policies and managing the administration of government schools. — The DPI (now Directorate of General Education) is primarily responsible for the administrative control and implementation of educational policies formulated by the state government, including the management of government schools. Options A, C, and D are mainly functions of SCERT (academic aspects, curriculum, research) or DIETs (teacher training).

Answer

A. Developing educational research and curriculum frameworks for all school levels.

Answer

C. Conducting in-service training programs for teachers and educational administrators.

Answer

D. Formulating academic guidelines and preparing textbooks for elementary education.

Question 10

The NEP 2020 introduces the concept of 'Academic Bank of Credit' (ABC). What is its primary purpose?

Accepted Answer

A. To allow students to earn and store academic credits digitally for flexibility in degree completion. — The Academic Bank of Credit (ABC) is designed to enable students to digitally store and transfer academic credits earned from different higher education institutions, promoting flexibility in degree pathways. Options B, C, and D are unrelated to the ABC's primary function.

Answer

B. To provide financial aid to students for higher education.

Answer

C. To establish a centralized database for all school textbooks.

Answer

D. To monitor and evaluate the performance of teachers across India.

DCOA Mixed Practice Test #43