Embibe Experts Solutions for Chapter: Sample Paper, Exercise 1: Exercise

The figure below shows the structure of a plasmid.   

A foreign DNA was ligated at BamH1. The transformants were then grown in a medium containing antibiotics tetracycline and ampicillin.  Choose the correct observation for the growth of bacterial colonies from the given table  

Swathi was growing a bacterial colony in a culture flask under ideal laboratory conditions where the resources are replenished. Which of the following equations will represent the growth in this case?  (Where population size is N, birth rate is b, death rate is d, unit time period is t, and carrying capacity is K). 

Which of the following food chains is the major conduit for energy flow in terrestrial and aquatic ecosystems respectively? 

In the figure given below, parts A and B show the level of hormones which influence the menstrual cycle. Study the figure and answer the questions that follow:

Name the organs which secrete the hormones represented in parts A and B.

In the figure given below, parts A and B show the level of hormones which influence the menstrual cycle. Study the figure and answer the questions that follow:

State the impact of the hormones in part B on the uterus of the human female during 6 to 15 days of menstrual cycle?

The data below shows the concentration of nicotine smoked by a smoker taking 10 puffs/ minute.  

 How does cigarette smoking result in lung cancer and emphysema?  

Trace the events from copulation to zygote formation in a human female. 

Trace the development of a megaspore mother cell to the formation of mature embryo sac in a flowering plant.