Give reason:
Human beings have designed a time schedule for their lives based upon centuries of climatic experiences.

Give reason: Human progress is related to a conducive climate and geography.

Give reasons To draw graphs based on the quantitative information obtained in an experiment, one uses Microsoft Excel.

Sometimes cattle or even human beings give birth to their young ones that are having extremely differentsets of organslikelimbs/positionof eye(s) etc. Comment

Swati, a 26 years old lady, living in a village was physically abused by her in -laws for delivering a baby girl for the second time. When she got pregnant for the third time her husband and in-laws forced her for the prenatal sex determination. Her in-laws got the foetus aborted when tehy found that it was a girl child and blamed her for conceiving a girl child. Based on the given paragraph answer the questions. Make a chart representing sex determination in humans.

Answer the following questions : Given below is a diagram showing a defect of human eye : Give two possible reasons for this defect of eye in human beings

Paragraph-based questions Read the paragraph and answer the questions given below: Disasters can be properly classified into three categories. viz. natural disasters, technological disasters and man-made disasters. The forces that cause natural disasters cannot be controlled. Moreover, they are becoming more frequent in the current years due to phenomena of climate change. On and off incidences of cyclones, cloud bursting, floods, etc. are creating havoc in the lives of people. Technological disasters are due to improper and callous behavior at the different processes carried out in technical establishments. Man-made disasters are conflicts arising due to different religions, regions and terrorism. Give any one example of technological disaster that shook the entire India.

Paragraph-based questions Read the paragraph and answer the questions given below: Disasters can be properly classified into three categories. viz. natural disasters, technological disasters and man-made disasters. The forces that cause natural disasters cannot be controlled. Moreover, they are becoming more frequent in the current years due to phenomena of climate change. On and off incidences of cyclones, cloud bursting, floods, etc. are creating havoc in the lives of people. Technological disasters are due to improper and callous behaviour at the different processes carried out in technical establishments. Man-made disasters are conflicts arising due to different religions, regions and terrorism. Which type of disasters were very common in western maharastra in recent times? why?

In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause's principle,one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.

Answer the following questions: Read the following sequence of events and answer the questions based on the same. Ranjit saw that the dog sitting by his side had suddenly become alert. In a short time, Ranjit heard footsteps of a man and the stranger approached Ranjit. Rajit now understood why the dog had suddenly become alert. Name some other animals that can hear sound of frequency not audible to human beings.