Select the correct option of the idiom/phrase.

"A closed book"

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Deforestation in tropical regions can (1) ______ the way water vapour is produced over the canopy, (2) ______ causes reduced rainfall. A 2019 study published in the journal Ecohydrology showed that parts of the Amazon rainforest that (3) ______ converted to agricultural land (4) ______ higher soil and air temperatures, which could (5) ______ drought conditions.

Select the most appropriate option to fill in blank number 3.

Rearrange the parts of the sentence in correct order.
 The rattlesnake
 P. it has specialized Jacobson’s
 Q. organs, which gives it a heightened
 R. knows when to lie low because
 S. sense of smell to detect prey

Read the passage given below and answer the questions that follow.

It is well accorded that COVID-19 extracts a huge toll on the mental health of patients and leaves behind a slew of neurological sequelae in its wake. However, what is alarming is the wide gamut of mental and neurological disorders seen even in those with milder symptoms. Such patients frequently reported being anxious, depressed and having difficulty in sleeping. A higher incidence of frank psychosis manifesting as disorganization of thought processes and personality disorders was also reported. Many survivors of COVID19 had to battle substance abuse in its immediate aftermath. There was a steep increase in the amount of alcohol consumed by regular drinkers. Persons who had stopped smoking and consuming alcohol resumed their habit in disconcerting numbers.

The occurrence of neurodegenerative disorders like Parkinsonism is concerning as this would bring longterm disability in the form of impaired mobility and memory decline. It has been hypothesized that the causative mechanism for many of the neurological conditions due to COVID-19 may be the direct invasion of the nervous system by the virus, an increased tendency to blood clotting or an exaggerated immune response by the body. Various other factors like pre-existing psychiatric illness, prolonged quarantine, perceived lack of organizational support, and social stigma are risk factors. Anxiety, Nervousness, and Posttraumatic stress disorder are often fuelled by fear of infecting other family members, physical distancing, loneliness, and ________ at home in cramped quarters.

The pandemic has radically transformed the way businesses function and services delivered. Remote working disrupts a healthy-work life balance. Face to face contact and human interactions which were considered so essential for emotional well-being has taken a backseat. Lack of comforting physical contact like shaking hands and hugging friends is stressful and disconcerting. Online classes and home-schooling have placed a gargantuan burden both on students and parents. Lack of access to reliable computer hardware and spotty internet connections, particularly in rural areas and in the economically backward have created a new class divide. Children have been deprived of co-curricular activities, participation in group events and sports which is essential for their holistic development. Mental stress and fatigue have increased manyfold due to the rigours imposed by virtual learning.

What is the hypothesis behind the many neurological conditions arising due to COVID-19?

Select the most appropriate meaning of the given idiom.

Face up to

Select the option that can be used as a one-word substitute for the given group of words.
 The study of population and its dynamics

Select the most appropriate option to fill in the blank.
 I like eating chocolates, ______ I hate dark ones. 

Select the most appropriate direct form of the given sentence.

The policeman told the inspector that he had arrested a man for breaking the lockdown rules.