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Sex-linked Inheritance (Hemophilia, Color Blindness) MCQs

Prepare for Sex-linked Inheritance (Hemophilia, Color Blindness) MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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390987 MCQs Page 32796

Topic Notes: Biology

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Practice Biology MCQs to prepare for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests in Pakistan. This section covers key theoretical concepts, syllabus topics, and repeated past paper questions related to Biology.

Topic-Wise Breakdown
Structured subject modules organized by difficulty and exam frequency.
Verified Answer Keys
Detailed explanations cross-referenced with standard textbooks and commission keys.
Complete Coverage
Covers fundamental definitions, advanced problem-solving, and recent exam trends.

How to Prepare Biology MCQs for Competitive Exams

Review each sub-topic systematically. Start with fundamental concepts, practice multiple-choice question sets under timed conditions, and note down questions you missed in your revision tracker. Select a specific topic from the list below to begin practice.

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327951
Find the average of the cubes of the first 4 natural numbers.
327952
Find the average of the squares of the first 5 natural numbers.
327953
The average salary of 20 workers in an office is Rs. 15,000 per month. If the manager's salary is added, the average salary becomes Rs. 16,000. What is the manager's monthly salary?
327954
The average of 30 numbers is zero. At most, how many of these numbers may be greater than zero?
327955
A batsman has a certain average of runs for 11 innings. In the 12th inning, he makes a score of 90 runs, thereby increasing his average by 5. What is his average after the 12th inning?
327956
A student's marks were wrongly entered as 83 instead of 63. Due to this error, the average marks of the class increased by half a mark (0.5). How many students are there in the class?
327957
In a family, the average age of a father and a mother is 35 years. The average age of the father, mother, and their only son is 27 years. What is the age of the son?
327958
The average temperature for Monday, Tuesday, and Wednesday was 40°C. The average for Tuesday, Wednesday, and Thursday was 41°C. If the temperature on Thursday was 42°C, what was the temperature on Monday?
327959
The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52, what is the sixth result?
327960
The average age of a class of 30 students is 15 years. If the teacher's age is included, the average age increases by 1 year. What is the age of the teacher?